| 单词 | plumb line |
| 释义 | plumb line (once / 90224 pages) n WORD FAMILY plumb line: plumb lines USAGE EXAMPLESTheir equipment was a plumb line—a piece of cord with a lead weight at the bottom. Economist(Oct 27, 2016) You can create a very accurate plumb line using your 4-foot level. Washington Post(Oct 18, 2014) From the basket they would drop a weighted plumb line to measure the river’s depth. Jon Krakauer, Into the Wild(1996) n a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point Syn|Hypo|Hyper perpendicular lead line, sounding line (nautical) plumb line for determining depth plumb rulea plumb line attached to a narrow board cord a line made of twisted fibers or threads |
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