Fhsa
联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
I don't know how to drive I'm afraid.
恐怕我不懂得怎样开车。
As is the workman so is the work.
什么工人出什么活。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。