您要查找的是不是：
- Which are very useful at first sight and save a lot of duplicated code, but make programs incomprehensible over time. 初看之下,它非常有用,可以节省大量重复的代码,但它会使程序变得越来越难以理解。
- His wife is very useful at cooking. 他的妻子擅长烹调。
- My wife is very useful at cooking. 我的爱人很会做饭。
- As we learn from what is said above, the tides can be very useful. 依照上面所说的，我们知道潮汐可以是非常有帮助的。
- Range estimates from the foretop would not have been very useful at that time, especially given the decimated gun crews and difficulties relaying data. (Flags were probably used from the foretop to the gun). 这种测距方式并不精准，特别是在船身剧烈摇晃或者是火炮烟硝阻碍观测视线的时候。）
- It's true that some ads can be very useful. 一些广告很有益是个事实。
- A .ashlight can be very useful in a storm. 手电筒在暴风雨时很有用。
- I found a gangway that proved to be very useful. 我发现一块很有用的跳板。
- A hot core heater would be very useful to avoid condensation of the constituents of air at the higher Mach numbers. 利用一个核心加热器，可以有效地避免空气成分在较高马赫数时发生冷凝。
- With this spirit everyone can be very useful to the people. 从这点出发，就可以变为大有利于人民的人。
- From a teacher's point of view this dictionary will be very useful. 以教师的观点来看，这部词典很有用
- His executive skills will be very useful to the company. 他的管理技能对公司将非常有用。
- The advice was very useful to me. 这劝告对我很有用。
- It would be very useful for some new joiners like me.Many thanks! 希望能有更多的人加入到这个行列中来，大家共同进步。
- Some epicontinental minerals are very useful. 有些大陆矿物很有用。
- He'll be bursting in upon us at any moment. 他随时可能出现在我们眼前。
- He'll be bursting in upon us at any time. 他随时都会出现在我的面前。
- Dictionaries are very useful to students. 字典对学生非常有用。
- These health checks are very useful to us. 这些体格检查对我们十分重要。
- She is likely to be waiting us at the bus stop. 她可能已在车站等着呢。
