词典释义：
measure (the depth of a body of water)
测量（水深）
[no obj., with adverbial](of water)be of a specified depth
（水）有…深
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at its deepest the lake scarcely plumbed seven feet .这个湖最深的地方不过七英尺。
explore or experience fully or to extremes
（充分或极度地）探索，经历
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she had plumbed the depths of depravity .她曾经经历过极度堕落。
test (an upright surface) to determine the vertical
测定垂直度。
a ball of lead or other heavy object attached to the end of a line for finding the depth of water or determining the vertical on an upright surface
测深锤；铅锤，垂球。
〈非正式〉 正好地，准确地
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trading opportunities plumb in the centre of central Europe .中欧正中心的贸易机会。
[as submodifier]
〈北美〉 高度地，极度地
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they must both be plumb crazy .他们俩一定都真是疯了。
[as submodifier]
〈北美〉 完全地，不折不扣地
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the transmission was plumb worn out .变速器完全坏了。
〈古〉 垂直地
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drapery fell from their human forms plumb down .打褶的衣服从他们的人物模型上垂直掉了下来。
vertical
垂直的
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ensure that the skirting is straight and plumb .确保踢脚线呈直线垂直状态。
【板球】 （三柱门）平直的；正的。
install an appliance such as a bath, toilet, or washing machine and connect to water and drainage pipes
安装（浴缸，马桶，洗衣机等）（使之与给水和排水管道接通）。
install and connect water and drainage pipes in (a building or room)
给（建筑，房间）安装给水和排水管道
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the kitchen is plumbed for a washing machine .厨房里装了洗衣机用的上、下水管。
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out of plumb not exactly vertical 不完全垂直的the towers are inclined, from four to ten feet out of plumb ． 那些塔是歪的，偏离垂直线4到10英尺
"Middle English （originally in the sense ‘sounding lead’）： via Old French from Latin