| 单词 | double up |
| 释义 | Word Frequency double upverb (adverb) 1. to bend or cause to bend in two he doubled up with the pain 2. (intransitive) to share a room or bed designed for one person, family, etc 3. (intransitive) British to use the winnings from one bet as the stake for another US and Canadian term: parlay |
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