Shoulderless preparation
[医] 无肩台牙体制备
🧩 词语组成解析
🗣️ 情景例句
I received a letter from my parents this morning.
今天早上我收到父母一封信。
A growing youth has a wolf in his belly.
青年成长时，食量大如狼。
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。