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單詞乎

plumb-line

plumb-line是什么意思、plumb-line怎么讀

plumb-line漢語翻譯

vt. 用鉛錘線測量, 檢查, 探測

plumb-line英語解釋

名詞 plumb-line:

  1. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
    同義詞：plumb line, perpendicular
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