名词中文翻译
中文翻译：未知重量
同义词：
['unknown weight', "unknown mass例句：1. The car's weight is unknown until it is tested.（这辆车的重量在测试之前是未知的。）"]
例句：
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1. The car's weight is unknown until it is tested.
这辆车的重量在测试之前是未知的。
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2.The scientist discovered an unknown substance in the sample.
科学家在样本中发现了未知物质。
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3.The weight of the object was unknown until it was measured.
物体的重量在测量之前是未知的。