Shoulderless preparation
[医] 无肩台牙体制备
🧩 词语组成解析
🗣️ 情景例句
I majored in economic and trade English.
我主修的是经贸英语。
He hasn't answered my letter yet.
他还没有给我回信。
Please give my best regards to your family.
请代我向你们全家致以最诚挚的问候。