useful的例句

useful 的相关例句:

51.	He dropped a useful hint about investing.
	他给了一个关于投资的有益暗示。
52.	He made himself generally useful .
	他能干各式各样的工作。
53.	Modern airplanes travel at a pretty useful speed.
	现代的飞机以很高的速度飞行。
54.	be useful to sb.
	对某人有用。
55.	She was compelled by illness to relinquish her useful work.
	她因病被迫停止她那有益的工作。
56.	He has pointed out that the tree is a useful source of income, as tourists have been coming from all parts of the country to see it.
	他指出，由于人们从全国各地纷纷前来参观这棵树，它成了一个有用的财源。
57.	Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
	确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。
58.	They are often more industrious, useful citizens than those who are never late.
	他们与那些从不迟到的人相比，常常是更勤奋有用的公民。
59.	These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did.
	由讲述人一代接一代地将史实描述为传奇故事口传下来。
60.	The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
	气垫船在非洲、澳大利亚等交通不发达地区特别有用。