Beaufort scale ['bәufәt]
n.
[气]蒲福风力等级(英国海军将领Francis Beaufort[1774-1857]拟订,分0-12级), 蒲福海浪等级
beaufort scale[ noun ]- an international scale of wind force from 0 (calm air) to 12 (hurricane)
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- a scale from 0 to 12 for the force of the wind
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