Lavoisier
拉瓦锡(Antoine Laurent,1743-1794,法国化学家, 氧发现者)
🗣️ 情景例句
How long does your vacation last?
你的假期有多长？
When guns speak it is too late to argue.
待到炮声响，辩论已莫及。
Use your head.
动动脑筋。