形容词
中文翻译：无反应的
同义词：
['inactive', 'passive', 'inertial', 'inert']
例句：
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1. The inert material is difficult to move.
这种无活性材料很难移动。
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2. The inert material was found to be non-toxic.
这种无活性材料被发现是无毒的。
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3. The inert material was used as a shield during the battle.
这种无活性材料在战斗中被用作盾牌。