Concavoconcave
[医] 对凹的, 双凹的
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
I'm going to send her six bags.
我要送给她六袋。
They went through the rooms, being careful to touch nothing, as they did not want to hinder the police in their search for fingerprints.
他俩搜遍这每一个房间，小心翼翼地不接触任何东西，因为他们怕妨碍警察寻找指纹。