prevent
1.vt.? 阻止；阻礙；阻撓;? 防止；預防；妨礙
記憶：pre 預先+vent 來→預先來到，搶先壹步就是防止
2.第三人稱單數：prevents 3.現在進行時：preventing
4.過去式：pervented 5.過去分詞：prevented
6.短語：
prevent……from ?阻止；防止；妨礙；
例句：prevent? the? disease? from? spreading ?防止疾病的蔓延
prevent sb from doing sth 阻止某人做某事；防止……做某事；
prevent? violence? 防止暴力
prevent? damage 防止傷害；防止損傷
prevent? abuse 防止濫用
prevent? crime 防止犯罪
7.例子：
They?aim?to?prevent?women?from?being?relegated?to?a?secondary?role.他們的目的是防止婦女被置於次要地位。牛津詞典 future?studies?will?investigate?whether?longterm?use?of?thedrugs?could?prevent?cancer未來的研究將深入探究長期服用這些藥物是否能（有效）預防癌癥。牛津詞典The?shelves?have?special?stops?to?prevent?them?from?being?pulled?out?too?far.那些架子有特別的止動器以防被拖出太遠。牛津詞典Filters?sieve?large?particles?out?of?the?water?to?prevent?them?from?harming?the?pumps.過濾器會將大的顆粒從水中濾出以免它們損傷水泵。