
好词典

源自中古英语 'keye'(钥匙),词根与古英语 'cǣg' 相关,动词用法首次记录于16世纪。
❶ 指物体带有键槽或钥匙孔的结构特征,通常用于描述机械装置或锁具的设计。
“The keyed shaft ensures precise alignment with the gear.”
(带键槽的轴确保与齿轮精确对齐。)
“This door has a keyed lock for added security.”
(这扇门装有带钥匙的锁以提高安全性。)
❶ 用钥匙开启或锁上某物,也指在键盘上输入信息的行为。
“She keyed in the password carefully.”
(她仔细地输入了密码。)
“He keyed the car door open with shaking hands.”
(他用颤抖的手拿钥匙打开了车门。)
keyed up — 形容人因紧张或兴奋而情绪激动、难以平静的状态。
“The team was keyed up before the championship game.”
(队伍在冠军赛前紧张不已。)