相关单词同義詞prevention, prophylaxis, keep, one, s, eye, on, the, ball, keep, one, s, eyes, peeled, 近義詞 safeguard 保衛者, notification 通知, insurance 保險, forewarning 預先警告的, protection 保護, safety measure 防護措施, preventive measure 預防措施, provision 食品, security 安全, deterrent 威懾的, guard 看守, caution 警告, forethought 遠慮, care 關心臨近詞precede, precarious, Precautions, precautionary, precaution valve, precaution value, precaution hamper, precautionary TAC, precaution saving, precautionay test, precaution system, precaution device相似詞precancerous, precarious, precariously, precast, precede, precedence, precedent, preceding, 返回 precaution