| 单词 | mental alertness |
| 释义 | mental alertness WordReference English-Chinese Dictionary © 2019:主要翻译英语中文mental alertness nnoun: Refers to person, place, thing, quality, etc. (clarity of mind, lucidity)警觉 jǐng jué 警惕 jǐng tì His mental alertness was impaired through lack of sleep. |
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