plumb line

音标发音

• 英式音标 [ˈplʌm ˌlaɪn]
• 美式音标 [ˈplʌm ˌlaɪn]
• 英式发音
• 美式发音

基本解释

• [测] 铅垂线（等于plumb rule）

同根派生

英汉例句

双语例句

• For me these meditations are like a plumb line dropped by a master builder — to see if the walls are straight or crooked.
  对我来说这些冥想就像一条建筑工人吊的铅垂线 — 来检查墙壁是否垂直。
• This article gives an easy way in which laser plumb line is set up by means of He-Ne laser in space with the liquid level as the base.
  本文叙述以液面为基准面，用小型氦-氖激光器在空间建立激光垂直线的简易方法。
• Total lumbar lordosis, thoracic kyphosis, sacral slope, and C7 plumb line were measured on the pre- and postoperative whole spine lateral views.
  在术前、后全脊柱侧位片测量腰椎总前凸、胸椎总后凸、骶骨倾斜度和颈7铅垂线。

权威例句

• Ben Kingsley, now sixty, is in great shape—his carriage is so erect that you could drop a plumb line from the back of his bald crown to his heel.
  NEWYORKER: House of Sand and Fog

词组短语

短语

• plumb -line mean flow velocity 垂线平均流速
• plumb b line 铅垂线
• local plumb -line variation 地方铅垂线变化
• direction of plumb -line 垂线方向

英英字典

剑桥英英字典

• a piece of string with a weight attached to one end, used either to test if something vertical, such as a wall, is exactly straight, or to find the depth of water

柯林斯英英字典

• A plumb line is a piece of string with a weight attached to the end that is used to check that something such as a wall is vertical or that it slopes at the correct angle.

专业释义

地球科学

• 铅垂线

测绘科学技术

• 铅锤线
• 垂直线
• 铅垂线

土木建筑工程

• 铅垂

机械工程

• 铅垂线