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  •   你查询的单词是:obstacle ([ 'ɔbstəkl ]
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  •   解释: n. 障碍
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  •   例子: 1. Lack of education is an obstacle of success.
       缺乏教育是成功的障碍。
    2. Verification (eg Checking that weapons have been removed) could be an obstacle to an arms agreement.
       裁减军备协议难以达成, 症结在於如何证实(如检查武器确已销毁).
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