结果证明人们开始使用轻轨交通平均体重明显减轻了一个五英尺的人大概减了六点五磅。
Turns out that people who started using light rail to commute had a significant average weight loss over that time-equivalent to about six and a half pounds for a five-foot-five person.
原始块的7075铝合金开始在重六点三二磅。
The raw block of 7075 aluminum started out at a weight of 6.32 pounds.
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