Extracoronal retainer
[医] 冠外固位体
🧩 词语组成解析
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 feel sick as a dog.
我病得很厉害。
Shut up!
闭嘴！
Yes, we'll have it out just as soon as we can.
是的，我们会尽快出货。