| 词组 | be on red alert |
| 释义 | be on red alert be on full/red alert if soldiers are on full alert, they know that a situation is dangerous and are prepared to act immediately if necessary. The British flagship in the area went to battle stations and remained on full alert for twenty minutes. |
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英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。