Underseepage
地下渗流
🗣️ 情景例句
Thank you, Mr. Wang. See you later.
谢谢您，王先生。再见！
He likes playing the drum.
他喜欢打鼓。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。