Fhsa
联邦危险物品法案（federal hazardous substances act）
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
A good beginning is half the battle.
首战告捷等于一半胜利。
Li Lei went into the school and found Miss Zhao in the school library.
李垒走进学校，在学校图书馆里找到赵小姐。