Nsca
[医][=National Society for Clean Air]全国空气净化学会
🗣️ 情景例句
Marilyn and Richard and the baby need the space.
Marilyn和Richard还有婴儿需要空间。
I said, Is there anything I can do?
我是说:我能为你做点什么吗？"
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。