A.f.s.
[机] 美国铸造学会
🗣️ 情景例句
Is this where I get my parcels?
这里是我取包裹的地方吗？
You can't miss it.
你不能错过它。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。