down in one idiom UK informal
一口气喝下，一饮而尽
If you drink a glass of alcohol down in one, you drink the whole glass without stopping.
| 单词 | down in one |
| 释义 | down in one idiom UK informal 一口气喝下，一饮而尽 If you drink a glass of alcohol down in one, you drink the whole glass without stopping. |
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