punch clock
noun
A clock or timer which when activated logs the time (originally by punching a card), used in a workplace to record employees' arrival and departure times.
Origin
Early 20th century; earliest use found in The Chicago Tribune.
| 单词 | punch clock |
| 释义 | punch clocknoun A clock or timer which when activated logs the time (originally by punching a card), used in a workplace to record employees' arrival and departure times. Origin |
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