Waterproofer
防水层[布, 材料]
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
May I ask you a question?
我可以问一个问题吗？
The sudden barking frightened Clara.
突然的狗叫声吓坏了克拉拉。