preventv.预防;防止,阻止;挡住
Prevent cheating防止作弊
Prevent medicine预防医学
preventing crime预防犯罪
Prevent vomiting镇吐
prevent striking避免击中
prevent and cure防治
prevent outburst防突
Prevent clamping防夹
preventriculosis[医] 贲门狭窄
Prevent the Risk护理安全