Operative dentistry
[医] 牙外科学
🧩 词语组成解析
operative
['ɔpərətiv, 'ɔpəreitiv]
adj. 手术的;（计划、法律等）实施中的，起作用的;最适合的;关键词句;
n. 工作人员;（尤指）体力劳动者;密探;（尤指政府的）特工人员;
dentistry
['dentistri]
n. 牙医业;牙医学;牙科医术;
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
Did you see Mr. Jones yesterday?
你昨天看见琼斯先生了吗？
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；