Nwtf
abbr. non-watertight floor 非水密肋板
🗣️ 情景例句
She is in a meeting until night.
她开会要开到晚上。
Excuse me I couldn't write you sooner.
对不起我不能尽快给你写信。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？