Root-canal preparation
[医] 根管制备
🧩 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
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
Since we are likely to place sizable orders regularly we hope that you will make some special concessions.
由于我方将定期大批量订购，希望贵方作出一些特殊的让步。
all admit radical changes of destination once the journey has begun;
他们无不承认，一旦"旅程开始，目的地"常有急剧的变化。