Primary detector
[电] 初级检查器
🧩 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
Our company has had a big business in Chinese arts and crafts.
我们公司经营大宗中国工艺品。
Don't keep all your eggs in one basketball.
勿孤注一掷。
The turtle at last gives up by pulling his feet under his shell and the game is over.
海龟终于屈服了，将4条腿缩进壳内。