Cevane
瑟烷
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
Is that ok?
这样行吗？
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，