大学英语B116-英译汉

英译汉B

1I saved the baby and became a hero.

答案:我因救了这个婴儿而成了英雄。

 

2Fires may do more damage than the earthquakes地震).

答案:火灾所造成的损失可能比地震还严重。

 

3We cannot tell when an earthquake地震)is coming.

答案:我们无法判断地震什么时候发生。

 

4Do you mind my smoking here?

答案:我在这里吸烟,你介意吗?

 

5She could not understand me when I spoke to her.

答案:当我跟她讲话的时候,她根本听不懂我的话。

 

6I'll be waiting for you at the library this time tomorrow.

答案:我明天这时候在图书馆等你。

 

7When I just gone out of the building, it began to rain.

答案:我刚走出大楼天就下雨了。

8I'm having a headache now.

答案:我现在有点头疼。

9I'm very much eager to improve my oral English.

答案:我非常渴望改进我的英语口语。

10Students can study by themselves through school network.

答案:学生可以自己通过校园网络学习。

11Would you like some mineral water?

答案:你想要矿泉水吗?

12Do you still have anything that you don't understand?

 

答案:你还有什么不懂的吗?

 

13I think the picture shows us how fruit is necessary to life.

答案:我想这幅图是告诉我们水果对生活是不可缺的。

14The old man was knocked down by a taxi when he was crossing the street.

答案:老人在过马路时被一辆出租车撞倒了。

15He is the only Chinese who has ever won the award.

答案:他是唯一获得过这个荣誉的中国人。

16Not all Americans are interested in sports, of course.

答案:当然,并非所有美国人都对运动赶兴趣。

17Don't you think smoking is harmful to your health?

答案:你不认为抽烟对你的身体有害吗?

18Our teacher always encourages us to speak English bravely.

答案:我们的老师总是鼓励我们大胆讲英语。

19Jenny is fond of reading and often borrows books from the city library.

 

答案:珍妮喜爱读书,经常从市图书馆借回许多书。

20This TV channel has too many commercials.

答案:这个电视台频道广告太多了。

21He lives in a small room with only one small window.

答案:他住在一间只有一个小窗户的小房间里。

22Can you express yourself clearly in English?

答案:你能用英语清楚地表达自己的意思吗?

23When were the Olympic Games founded?

答案:奥运会是何时创办的?

24He has been learning English for years.

答案:多年来,他一直在学英语。

25But it looks like something I would never buy.

答案:但它看起来就像是我绝不会买的东西。

26We all like her because she's very helpful.

答案:我们都喜欢她, 因为她乐于助人。

27A good memory is a great help in learning a language.

答案:好的记忆有助于语言的学习。

28A dog is always well-known as a clever and friendly animal.

答案:在动物中,狗素以其聪明与和善而著称。

29Do you often do your washing in the evening?

答案:你经常晚上洗衣服吗?

30But competitive swimming is just over one hundred years old.

答案:但游泳比赛不过只有一百余年的历史。

31When she left school, she went first to Britain.

答案:在她离开学校后,她一开始去的是英国。

32I think she will change her mind tomorrow.

答案:我想明天她就会改变主意。

33I'm going to visit a friend of mine this Sunday.

答案:本星期天,我要去拜访一位朋友。

34I can't remember where I left my English book.

答案:我想不起我把英语书放在哪儿了。

35I've never heard such a good music in a game.

答案:我在游戏里从未听过这样好的音乐。

36He tried many times to pass the examination, and in the end he succeeded.

答案:好多次他试图通过考试,最后他成功了。

37You'd better do that again.

答案你最好再做一遍。

38This new country hopes to establish friendly relations with all its neighbours.

答案:这个新成立的国家希望和所有邻国建立友好关系。

39I knocked on his door but nobody came to answer it.

答案:我敲了他的门,但没人来开门。

40My classmate is much cleverer than I.

答案:我的同学比我聪明多了。

41As is known to all, China is the largest developing country in the world.

答案:众所周知,中国是世界上最大的发展中国家。

42Are you fond of music?

答案你喜欢音乐吗

43I rang your house last night but your mother answered the phone.

答案:我昨夜给你家打电话,但接电话的是你母亲。

44Most students feel satisfied with the progress theyve made.

答案:大多数学生对自己所取得的进步感到满意。

45The friend saw everything but did not say a single word.

答案:这位朋友看到了一切,却一言不发。

46What kind of life do most people enjoy?

答案:多数人喜欢什么样的生活?

47People all over the world are trying to help the people in the quake-stricken areas.

答案:全世界人民都在尽力帮助遭受地震地区的人民。

48Life is meaningless without a purpose.

答案:没有目标的生活是毫无意义的。

49Fred was such a hardworking student that he soon came out first in the class.

答案:弗瑞德是一个学习十分用功的学生,所以不久他就成了班里学习最好的学生。

50This box can hold more books than that one.

答案:这个箱子比那个箱子能装更多的书。

51I hurried to my office.

答案:我匆忙赶到了办公室。

52I slept soundly all night.

答案我整夜睡得很熟。

53The students are encouraged to do more listening, reading and writing by their teacher.

答案:老师鼓励学生多听、多读、多写。

54The traffic jams during morning and afternoon rush hours are a headache in big cities now.

答案:上下班高峰期的交通拥挤问题是大城市目前的一个棘手问题。

55He has taught English in this university ever since he moved to this city.

答案:他自从移居到这座城市以来就一直在这所大学教英语。

56He was very happy to hear from his old friend.

答案:他很高兴收到他的老朋友的信。

57Transistors are small in size and light in weight.

答案:晶体管的体积小、重量轻。

58Would you please help me with this heavy box?

答案:你能帮我抬一下这个沉箱子吗?

59The more passions we have, the more happiness we are likely to experience.

答案:我们的激情越多,我们有可能体验的快乐就越多。

60We should encourage him to have confidence in himself.

答案:我们应当鼓励他对自己要有信心。

61I would appreciate it if you would just let me deal with this case.

答案:如果你能让我独自处理这桩案件,我将不胜感激。

62There is a large amount of energy wasted due to friction(摩擦).

答案:由于摩擦而损耗了大量的能量。

63I was having a nap when suddenly the telephone rang.

答案:我在睡觉时,电话铃突然响了。

 

 

### Gazebo在ROS Noetic中的spawn服务失败和segmentation fault问题分析 在使用Gazebo与ROS Noetic时,如果遇到`spawn service failed`或`segmentation fault`问题,通常是由多种潜在原因引起的。以下是对这些问题的详细分析以及解决方案。 #### 1. **Spawn Service Failed** `Spawn service failed`通常表示Gazebo无法正确加载模型到仿真环境中。以下是可能的原因及解决方法: - **检查Gazebo插件是否正确配置** 确保`robot_state_publisher`节点已启动,并且URDF或SDF文件中定义的Gazebo插件路径正确[^1]。例如,在SDF文件中,需要明确指定`<plugin>`标签: ```xml <plugin name="gazebo_ros_control" filename="libgazebo_ros_control.so"> <robotNamespace>/</robotNamespace> </plugin> ``` - **确认模型路径是否正确** 如果模型依赖于外部资源(如mesh文件),确保这些资源的路径已在`ROS_PACKAGE_PATH`中定义[^2]。可以通过以下命令检查: ```bash echo $ROS_PACKAGE_PATH ``` 如果路径缺失,可以将其添加到`.bashrc`文件中: ```bash export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:<your_model_path> ``` - **验证`rosparam`设置** 检查`rosparam`中是否正确设置了`robot_description`参数。如果没有正确加载,Gazebo将无法识别模型[^3]。可以通过以下命令验证: ```bash rosparam get /robot_description ``` #### 2. **Segmentation Fault** `Segmentation fault`通常是由内存访问错误引起的,常见原因包括但不限于以下几点: - **Gazebo版本不兼容** 确保安装的Gazebo版本与ROS Noetic兼容。推荐使用Gazebo 11,因为它是ROS Noetic的默认版本[^4]。如果使用了其他版本,可能会导致不稳定行为。 - **插件冲突** 如果同时加载了多个插件,可能会引发冲突。建议逐一排查插件,找到导致问题的具体插件[^5]。可以通过注释掉某些插件来测试: ```xml <!-- <plugin name="example_plugin" filename="libexample_plugin.so"> --> ``` - **动态链接库问题** 检查是否存在动态链接库冲突。运行以下命令以验证是否有未解析的符号: ```bash ldd /path/to/your/plugin.so ``` 如果发现缺失的库,可以通过安装相关依赖解决。 - **硬件加速问题** 在某些情况下,GPU驱动或OpenGL设置可能导致`segmentation fault`。尝试禁用硬件加速以测试问题是否解决: ```bash export SVGA_VGPU10=0 ``` #### 3. **调试技巧** 为了更高效地定位问题,可以采用以下调试方法: - **启用Gazebo调试模式** 启动Gazebo时附加`--verbose`选项,查看详细的日志输出: ```bash gazebo --verbose ``` - **使用GDB进行调试** 如果`segmentation fault`持续发生,可以使用GDB捕获崩溃信息: ```bash gdb rosrun gazebo_ros spawn_model ``` 在GDB中运行程序后,若发生崩溃,可使用`bt`命令查看堆栈信息。 #### 示例代码:加载模型到Gazebo 以下是一个示例代码,用于加载URDF模型到Gazebo: ```python import rospy from gazebo_msgs.srv import SpawnModel rospy.init_node('spawn_model') spawn_model_prox = rospy.ServiceProxy('/gazebo/spawn_urdf_model', SpawnModel) model_path = "$(find your_package)/urdf/your_robot.urdf" with open(model_path, "r") as f: model_xml = f.read() spawn_model_prox("robot_name", model_xml, "/robot_namespace", "base_link", "") ``` ### 总结 通过上述分析和解决方案,可以有效解决Gazebo在ROS Noetic中的`spawn service failed`和`segmentation fault`问题。关键在于检查模型配置、插件兼容性以及系统环境设置。
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