Caries primary
[医] 原发性龋
🧩 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
🗣️ 情景例句
Your duties include checking the post and distributing it.
你的职责是检查和发送邮件。
I will take a bus.
我将去搭公共汽车。
In times of peace, when business was bad, Hawkwood and his men would march into a city-state and, after burning down a few farms, would offer to go away protection money was paid to them.
和平时期，当生意萧条时，霍克伍德便带领士兵进入某个城邦，纵火烧毁一两个农场，然后提出，如向他们缴纳保护金，他们便主动撤离。