Fhsas
(FHSA 的复数) 联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
An apple a day keeps the doctor away.
每天一个苹果不用看医生。
The worst men often give the best advice.
最不行的人，往往能提出最好的意见。
There are also other varieties that do not live in groups at all.
还有别的类型的蜂，它们全然不过群体生活。