Cementoid
[医] 牙骨质样的, 前期牙骨质
🗣️ 情景例句
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
Ouch, that hurts!
哎呦，好痛呀！
deprived of one of the greatest twentieth-century opportunities.
被剥夺了20世纪最优越的机会之一。