单词	plumb line
释义	plumb line noun A line with a plumb attached to it, used for finding the depth of water or determining the vertical on an upright surface.We did scramble out on one permanent pond with a view to testing the depth with a plumb line which was probably quite dangerous but you don't think of that at that age.... Draw a plumb line on the wall representing one side of the cabinet. There is a good chance that the corner is not plumb, so this process guarantees that you will be working from a plumb line.
随便看	constitutionalism constitutionalist constitutionality constitutionalize constitutionally Constitution State constitutive constitutively constrain constrainedly constraint constrict constriction constrictive constrictor constrictor muscle constringent construable construal construct constructed language construction constructional constructionally constructionism

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