牙科主治医师的英文：
Dentist-in-charge

dentist是什么意思：
n. 牙科医生，牙医

A physician,dentist,or veterinarian.
内科医生，牙医或兽医

The dentist carefully located the filling in the cavity
牙医小心地把填塞的东西放入牙洞里。

When you have a toothache, you immediately call the dentist.
当你牙痛的时候要立即看牙医。

This dentist could detect no decay in her teeth.
牙医检查了她的牙齿，未见有龋齿。

The dentist was barred from practicing because of his irresponsibility.
由于不负责，这个牙医被禁止从业。

charge是什么意思：
n. 费用；电荷；掌管；控告；命令，指示；指责
v. （使）充电；使承担；指责；装载；索价；向前冲；控告；把...记入帐册

charge the enemy
向敌人冲去

mileage charges
按英里程计算的运费

What is this charge for?
这项费用是什么？

Is there an extra charge?
有额外的费用吗？

The nucleus is formed of neutrons with no charge and protons with a positive charge
核子是由不带电荷的中子和带正电荷的质子形成的。