Convexo-convexe
[建] 两面凸的
🗣️ 情景例句
I'm sorry I'm so late.
对不起 我迟到了这么久。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
If I were you, I would not be bothered by English.
如果我是你，就不会为英语烦恼了。