kick-off
n.
also kickoff, kick off, 1857, "first kick in a football match," from kick, v. + off. Figurative sense of "start, beginning event" is from 1875.
| 词汇 | kick-off | 
| 词根词缀 | Online Etymology Dictionary kick-off n. also kickoff, kick off, 1857, "first kick in a football match," from kick, v. + off. Figurative sense of "start, beginning event" is from 1875. | 
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