prevent的用法：prevent作为动词，中文含义有“阻止”、“阻碍”、“阻挠”、“预防”、“防止”等；固定搭配为prevent sb from doing sth，其中from可以省略，意为阻止某人做某事。
prevent的中文释义及用法介绍
prevent作为动词，意思有阻止;阻碍;阻挠。固定搭配为prevent sb from doing sth。例句有：
1、The accident could have been prevented.
这次事故本来是可以防止的。
2、He is prevented by law from holding a licence.
法律不准他持有执照。
3、Nothing would prevent him from speaking out against injustice.
什么都不能阻止他鸣不平。
4、He said this would prevent companies from creating new jobs...
他说这将使公司无法创造新的工作机会。
5、We are taking steps to prevent pollution.
我们正在采取措施防止污染。
6、A back injury prevented active participation in any sports for a while.
背伤曾一度妨碍积极参加任何体育运动。
7、The floor is sealed to prevent water penetration.
地板加了密封涂料防止渗水。
8、These measures are aimed at preventing violent crime.
这些措施旨在防止暴力犯罪。
9、The condition prevents the blood from circulating freely.
这种病阻碍了血液的循环畅通。
10、It was too late to prevent the story from appearing in the national newspapers.
要阻止全国性报纸刊登这件事情已为时太晚。
