英语词汇“plumb line”是什么意思，“plumb line”的读音、用法及例句翻译-烛光网

词汇	plumb line
释义	plumb linen.（名词） A line from which a weight is suspended to determine verticality or depth.铅垂线；垂直线：悬挂一重物来测定垂直度或深度的一根线 A line regarded as directed exactly toward the earth's center of gravity.重力线：被认为是准确地指向地球引力中心的一条线
随便看	beany bear bear Bear bearable bearbaiting bearbaitings bearberry bearcat beard beard Beard bearded bearded collie bearded iris bearded tongue bearded vulture Bearden bearding Beardmore Glacier beards Beardsley beardstongue beardtongue beared

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