Waterproofer
防水层[布, 材料]
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
You can't make bricks without straw.
没有稻草，制砖难搞。
I'd like to look this over before I sign it.
签约之前我想再看过一遍。