Premolar
n. 前臼齿\\n[医] 前磨牙, 双尖牙, 磨牙前的
🗣️ 情景例句
one of the best tennis players on the Michigan team--
当年Michigan球队最好的网球选手--
Whom will you work for?
你将为谁工作？
Take a deep breath and I'll time you. But don't drown!
深吸一口气，我来给你计时。但别淹着！