prevent名词
prevent名词prevention
prevent
v.阻止;阻碍;阻挠
第三人称单数 prevents
现在分词 preventing
过去式 prevented
过去分词 prevented
派生词 preventable adj.
They took active steps to prevent the spread of the disease.
他们采取积极措施,防止疾病蔓延。
Early warnings of rising water levels prevented another major catastrophe.
提前发出的洪水水位上涨警报防止了又一次的`重大灾害。
Snow has prevented communication with the outside world for three days.
大雪使得与外界的通信联系中断了三天。