预防用英语

avoid及物动词 vt.1.避开, 避免, 预防 I avoided him as much as possible.我尽可能地躲开他。Try to avoid accidents.尽量防止事故。He avoided answering my questions.他避而不答我的问题。2.【法律】宣布(判决、抗辩等)无效；使无效；废止，撤销3.躲开，避开(人、事物、地方)，回避

prevent

prevent ，guard against

Prevention

defendguard against