Waterproofer
防水层[布, 材料]
🗣️ 情景例句
We forgot to turn the oven on.
我们忘了开烤箱开关。
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
We believe that the quality is the soul of an enterprise.
我们认为质量是一个企业的灵魂。