Root canal treatment
[医] 罗利尔氏疗法(日光治疗外科结核)
🧩 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
Well, please sit down
嗯， 请坐下来
I invited hime to come up, but he wouldn't.
我请他上来，但是他不肯。
The two brothers look very much alike.
这兄弟俩看上去很相像。