Nitroenamel
硝基磁漆
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
No littering on the campus.
在校园内不准乱丢废物。