| 单词 | exertion |
| 释义 | exertion /ig zerr"sheuhn/, n. 1. vigorous action or effort: physical and mental exertion. 2. an effort: a great exertion to help others. 3. exercise, as of power or faculties. 4. an instance of this. [1660-70; EXERT + -ION] Syn. 1. endeavor, struggle, attempt, activity, strain. See effort. |
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