Primary dentin
[医] 初生牙[本]质
🧩 词语组成解析
primary
['praɪmɛri]
adj. 首要的，主要的;最早的，原始的;[地质学]原生的;基本的;
n. 第一位;最好者;要素;候选人提拔会;
prim第一，主要的+ary形容词后缀 → 第一的，最开始的 → 最初的；根本的
n. 牙质\\n[医] 牙[本]质
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
I agree. I wish it were better.
我也觉得是，希望会好起来。
Alf did this for over two years and his fellow dustmen kept his secret Alf's wife has never discovered that she married a dustman and she never will, for Alf has just found another job.
两年多以来，艾尔弗一直这样，他的同事也为他保守秘密。 艾尔弗的妻子一直不知道她嫁给了一个清洁工，而且她永远也不会知道了，因为艾尔弗已找到薪职，