Fhsa
联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
But ... I'll miss him.
但是……我会想他的。
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
A great many former pupils will be attending a farewell dinner in his honour next Thursday.
很多老同学都准备参加下星期四为他举行的告别宴会。