Premolars
(premolar 的复数) n. 前臼齿\\n[医] 前磨牙, 双尖牙, 磨牙前的
🗣️ 情景例句
I think I'll need your expert assistance this afternoon.
我想，我今天下午需要你专业的协助。
I'm sure he will get to the game on time.
我确定他会准时参加比赛。
Is it broken?
弄坏了吗？