Tectogene
n. [地]挠升区, 深拗槽, 深地槽, 海渊
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
No, that's all for now. What does it come to?
不用了。这次就这样。
Did you enter the contest?
你参加比赛了吗？