其蒸气比空气重，能在较低处扩散到相当远的地方，容易产生和积聚静电。

Its vapor is heavier than air and can spread to the lower Department of considerable local, easy to generate and accumulate static electricity.

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飞机各种能够飞行的带翼交通工具，通常比空气重，用喷气式发动机或螺旋桨驱动。

Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.

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二氧化碳泄漏会带来健康风险。 由于二氧化碳比空气重，因此可以在低洼地区和通风差的地区累积。

Spills would also be a health risk, since carbon dioxide is heavier than air, and so can build up in low-lying or poorly ventilated spots.

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