Air not only occupies space but it also has weight.

空气不仅占据空间，而且它还具有重量。

《新英汉大辞典》

As a method of spanning space, the arch can support greater weight than a horizontal beam.

作为一种跨越空间的方法，拱能够承受比水平梁更大的重量。

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A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-year period than kids living amid more concrete and fewer trees.

一项新的研究发现，在两年的时间里，与住在钢筋水泥更多、树木较少的社区的孩子相比，住在市中心有更多绿地的社区里的孩子，两年中增加的体重少了约13%。

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Its Titan rocket could lift three times as much weight into space as the Atlas rocket used for the Mercury flights.

VOA: special.2009.06.24

That load weight is double the capacity of NASA space shuttles.

VOA: special.2011.04.11

By using a capacitor instead, Mazda saves weight and space and, unlike a battery, it can charge and discharge instantly without deteriorating during prolonged use.

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Adam Wells, Virgin Galactic's head of design, said the cabin's interior was being kept as minimal as possible to reduce weight and maximize space for floating.

CNN: Richard Branson: Galactic spaceship to blast off in 2013

Under normal circumstances, designers of mega yacht tenders are faced with restrictions in height, weight and the space they occupy leading to compromises in the vehicles the guests use as transport and for play.

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