Pneumotoxin
肺炎球菌毒素
🔁 扩展释义
【医】 肺切开术
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
Content is happiness.
知足常乐。
Put them over there, please.
请把它们放到那边去。