Preventive substance
[医] 介体
🧩 词语组成解析
preventive
[pri'ventiv, pri:-]
n. 预防;防止;预防措施;预防药;
adj. 预防的;防止的;
🗣️ 情景例句
He'd been two-timing me for months.
他另有所爱，多少个月来一直在瞒着我。
When guns speak it is too late to argue.
待到炮声响，辩论已莫及。
Late? No, you aren't. You're early. It's Sunday today !
晚了？没有啊！你挺早的呢，今天是星期日。