Convexoconcave
[医] 凸凹的
🗣️ 情景例句
What do you call this? A tow year old child could have done a better job!
你是怎么回事？就连两岁的孩子都可以比这做得更好！
Self-trust is the first secret of success.
自信是成功的首要秘诀。
Nothing special.
没什么特别的。