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
Where's Mom?
妈妈呢？
Three removes are as bad as a fire.
三次搬家犹如一次失火。
There is a table in the middle of the room.
房间的中央有张桌子。