Root canal
[医] 牙根管
🧩 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
but it'll take you ten minutes longer.
但会多花你十分钟的时间。
What shall I send him for his Christmas?
我要送他什么东西作为圣诞礼物？
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。