the Beaufort scale
US /ˈboʊfərt skeɪl/
UK /ˈboʊfərt skeɪl/
1.
蒲福風級
a scale for indicating wind force, ranging from 0 (calm) to 12 (hurricane)
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Sailors often refer to the Beaufort scale to assess wind conditions.
水手們經常參考蒲福風級來評估風況。
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A force 8 on the Beaufort scale indicates a fresh gale.
蒲福風級8級表示大風。