Radicular retainer
[醫] 根管固位體
?? 詞語組成解析
a. 根的, 小根的
retainer
[ri'tein?]
n. [機]承盤，擋板;家臣，侍從;[牙科]牙架;保持著;
??? 情景例句
They also ask questions like Where do you come from? and Where do you live?.
他們也會問“你從哪兒來？”，和“你住在哪兒？”這樣的問題。
The battle is to the strong.
強者必勝。
We're not treated as equal citizens.
我們沒有被當作平等公民對待。