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A small,knoblike pendent object,such as a plumb bob. 悬垂物小的球状悬挂物，如铅锤
A small, knoblike pendent object, such as a plumb bob. 悬垂物小的球状悬挂物，如铅锤
If the mass in question is a plumb bob, the horizontal component of F is important. 如果所讨论的质量是一摆锤，则重要的是F的水平分量。
If the mass in question is a plumb bob , the horizontal component of F is important. 如果所讨论的质量是一摆锤，则重要的是F的水平分量。
To determine the depth of with a plumb; sound. 测量深度用铅锤来测定深度；测量深度
If the mass in question is a plumb bob, the horizontal component of F is important 如果所讨论的质量是一摆锤，则重要的是F的水平分量。
a plumb bob 铅锤
To test the verticality or alignment of with a plumb. 测量垂直度用锤铊来检查垂直度或是否在一条直线上
We've got a bit of a plumbing emergency. 水管出了紧急状况。
Bob rode his horse to a standstill. 鲍勃把马骑得走不动了。
A device,such as a plumb line,used in marking the vertical from a given point. 垂规，铅垂线一种装置，如铅垂线，用于从给定点标记竖直方向
Bob often stirs up a fight between the two boys. 鲍勃经常煽动这两个孩子打架。
Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
Bob is a fool, to be dozing at the very nonce. 鲍勃真是个笨蛋，在这个节骨眼上还打瞌睡。
Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
This is what he showed me: The Lord was standing by a wall that had been built true to plumb, with a plumb line in his hand. 他又指示我一件事。有一道墙是按准绳建筑的，主手拿准绳站在其上。
Except at the pole and the equator, a plumb line does not point toward the earth's center. 除在地球的两极和赤道之外，铅锤线并不指向地球中心。
Bob turned a blind eye to the "No Fishing" sign. 鲍勃假装没看见“严禁钓鱼”的告示。
A device, such as a plumb line, used in marking the vertical from a given point. 垂规，铅垂线一种装置，如铅垂线，用于从给定点标记竖直方向
To determine the depth of with a plumb;sound.To test the verticality or alignment of with a plumb. 用铅锤来测量从溴控制螺线管到溴供给器、从溴供给器到系统的垂直度。