Predental
牙科学预科的
🗣️ 情景例句
Every cloud has a silver lining.
再黑暗的地方也有一线光明。
An idle youth,a needy age.
少壮不努力，老大徒伤悲。
There she studied the teaching of deafblind children.
在那里，她学习聋盲儿童的教学工作。