Waterproofer
防水层[布, 材料]
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
Millions of thanks to you all, and don't forget to finish your dinner before it get cold.
十分感谢大家，大家快趁热吃吧。
It's all about space and satellites.
全是有关宇宙和卫星的。