Undercoating
n. 防水底涂层
✅ 同义词
🗣️ 情景例句
I don't understand.
我不懂你在讲什么。
The designer is going to create a new type of dress.
服装设计师正在设计新款女装。
I must always keep on trying to do my best.
我必须始终继续作出最大的努力。