形容词
中文翻译：无反应的
同义词：
['inactive', 'inert', 'passive']
例句：
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1. The inert material is difficult to move.
这种无反应的材料很难移动。
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2. The inert gas was released into the atmosphere.
这种惰性气体被释放到大气中。
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3. The inert substance can be used as a shield against radiation.
这种惰性物质可以用作辐射防护盾。