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push-up (n.)
[push-up 词源字典]
also
pushup
, type of physical exercise, 1893, from
push
(v.) +
up
(adv.). As an adjective from 1892; of bras from 1957. Related:
Push-ups
[push-up etymology, push-up origin, 英语词源]
[push-up 词源字典]