Lithozone
岩性带
🗣️ 情景例句
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
Where do you live?
你在哪儿住？
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。