Formohydrazide
甲酰肼
🗣️ 情景例句
This job is no picnic.
这份工作很累人。
Everything is going according to schedule.
一切在按照预定计划进行。
yet following her regular practice she had shut them before going out.
而她记得在出门买东西前，她按老规矩是把房门一一锁上的。