| 单词 | KO |
| 释义 | KO n. /kay"oh", kay"oh'/; v. /kay"oh"/, n. , pl. KO's, v. , KO'd, KO'ing. Slang. n. 1. a knockout in boxing. v.t. 2. to knock unconscious, esp. in a boxing match; knock out. Also, K.O., k.o., kayo. [1920-25; initial letters of knock out] |
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