Usdoc
abbr. United States Department of Commerce 美国商务部
🗣️ 情景例句
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
The first several months were a difficult time.
所以头几个月过得有些艰难。
Mum! I feel a little better now.
妈妈！我现在感觉好一点了。