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
We haven't had any complaint of this kind. Is there any evidence.
我们还从未听过这样的抱怨。有什么证据呢？
Do you know the percentage of the damaged portion?
你们知道残损部分的百分比吗？
Oh dear! It's very warm in this clasroom, isn't?
天哪，这屋里真暖和，不是吗？