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
Hi.
嗨。
Prove thy friends ere thou have need.
需要朋友之前，先要加以考验。
Tom said that he was feeling ill.
汤姆说他不舒服。