lockdown的词源

英文词源

lockdown (n.)

also lock-down, from 1940s in various mechanical senses, from lock (v.) + down (adv.). Prison sense is by 1975, American English.

中文词源

lockdown：活动限制

比喻用法。

该词的英语词源请访问趣词词源英文版：lockdown 词源，lockdown 含义。