Fhsa
联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
I'm sure everything is fine.
我确信一切都很好。
Idle folks have most labour.
懒汉总嫌活太多。
Our project must proceed at a reasonably quick tempo. Surely one month is ample time, isn't it?
这个计划必须尽速进行。一个月的时间应该够了吧？