| 词汇 | unexpected |
| 词根词缀 | 词源： c.1586, from un- (1) "not" + pp. of expect. 词根记忆： a. 想不到的,意外的,未预料到From the experiment the experienced expert gained an unexpected expertise.有经验的专家从实验中获得一项意外技能. |
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