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
The evening newspaper is cheaper than the morning paper.
晚报比早报要便宜。
I'm too busy.
我太忙。
I have been putting on weight.
我开始发胖了。