动词
中文翻译：释放
同义词：
['emit', 'expel', 'discharge', 'unload']
例句：
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1.The engineer discharged the gas from the tank.
工程师从水箱中排放了气体。
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2.The police officer discharged his gun in self-defense.
警察用枪自卫，然后放了下来。
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3. The scientist discharged a stream of water to flush out the sediment.
科学家用水冲洗来清除沉积物。