Key-verify unit
[电] 验孔单位
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Always full of surprises,
总是出人意表
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
Even this was remarkable, considering that she had had so many delays.
但考虑到路上的多次耽搁，这个成绩也已很不容易了。