Concavoconvex
[医] 凹凸的
🗣️ 情景例句
Oh, yes. Are his models here?
噢 ，对啦。 他的模型在这里吗？
People go to visit their parents, relatives and friends.
人们出门探望父母、亲威和朋友。
Can I have a look at it?
我可以看一下吗？