"浮力"是个多义词，它可以指浮力（物理词语）,浮力（Rodd Rathjen导演的电影）。
可以往潜水衣中打气增加浮力。
Air can be pumped into the diving suit to increase buoyancy.
盐水比淡水浮力大。
事实上，世界上有37种海马是鱼，它们通过鳃呼吸，用鱼鳔来控制浮力。
Indeed, the world's 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
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