Root anatomy
[医] 牙根解剖学
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
🗣️ 情景例句
She suffered terribly when her son was killed.
儿子被杀，她痛苦至极。
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
Ducks know how to swim when they are born.
鸭子天生会游泳