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
and from the University of Michigan in 1956.
一九五六年从Michigan大学毕业。
Sorry to bother you.
抱歉打扰你。
Not until last week did I get a work permit.
直到上周我才拿到工作许可证。