chin-up
n.
also chinup, type of exercise, 1951, from chin, v. + up, adv.. Earlier it was called chinning the bar and under names such as this is described by 1883.
| 词汇 | chin-up |
| 词根词缀 | Online Etymology Dictionary chin-up n. also chinup, type of exercise, 1951, from chin, v. + up, adv.. Earlier it was called chinning the bar and under names such as this is described by 1883. |
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