Concaveness
n. 凹面, 成凹形
✅ 同义词
🗣️ 情景例句
Do you really think so?
你真的这么想吗？
There is something in what she said.
她说的话里有些重要的内容。
I can set up a tour next week.
我可以安排在下个礼拜参观。