concentrate的例句

concentrate 的相关例句:

11.	She felt ill. She went to work, however, and tried to concentrate .
	她病了.然而她照旧去上班,并且尽力集中精神工作。
12.	They would do well to concentrate more on their work.
	他们最好认真工作。
13.	I can't concentrate with you breathing down my neck.
	你这样紧紧盯着我,使我精神无法集中。
14.	A convex lens is used to concentrate rays of light.
	凸透镜用于聚光。
15.	The concentrate was diluted with water.
	这浓缩物被水稀释了。
16.	An enormously powerful fleet was concentrate at Pearl Harbour.
	一支极其强大的舰队集结在珍珠港。
17.	The black clouds concentrate into a dense mass.
	乌云密集。
18.	If you don't concentrate more on your work you'll be dismissed!
	假如你不更加专心地工作，你将被解雇！
19.	She couldn't concentrate upon a book very long.
	她不能长时间聚精会神地读书。
20.	He is unable to concentrate upon his academic research.
	他不能专心于他的学术研究。