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
Without a doubt, things will get worse.
情况无疑会越来越糟。
Walk groundly; talk profoundly; drink roundly; sleep soundly.
行路踏实，言谈深刻，饮酒豪爽，睡眠酣畅。
The petrol had nearly all been used up.
汽油几乎已经用光。