Radicular retainer
[医] 根管固位体
🧩 词语组成解析
a. 根的, 小根的
retainer
[ri'teinə]
n. [机]承盘，挡板;家臣，侍从;[牙科]牙架;保持着;
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起，我就一直发高烧。
When the police arrived, I was doing the housework.
当警察来的时候，我在做家务。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。