Fhsa
联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
I don't want to be stuck here the rest of my life.
我可不想一生都憋在这儿。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。