名词
中文翻译：减少的质量
同义词：
['decreased mass', 'reduced quantity例句：1. The weight of the object was reduced by half.（物体的重量减少了一半。）2. The engineer calculated the reduced mass of the spacecraft.（工程师计算了航天器的减少质量。）3. The reduction in population has led to a decrease in economic activity.（人口减少导致经济活动下降。）']
例句：
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1. The weight of the object was reduced by half.
物体的重量减少了一半。
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2. The engineer calculated the reduced mass of the spacecraft.
工程师计算了航天器的减少质量。
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3. The reduction in population has led to a decrease in economic activity.
人口减少导致经济活动下降。