Certainly that was the opinion of the Latin speakers who began referring to people as wind bags employing the Latin term follis.

至少当年说拉丁语的人是这样认为的，他们开始把那种人叫作“吹风的口袋”，并用拉丁语的follis来指代。

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Follis in Latin referred to bellows which were effectively bags of air that could be repeatedly squeezed, resulting in a blowing of oxygen on the hot coals of a fire.

拉丁语里的follis指风箱，即一种可以反复挤压的气囊，用来将氧气吹到烧红的煤炭上。

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