| 释义 | plumb bob plʌmˈbɔb 短语¹⁰⁶¹⁰⁰⁺⁵ 基本英英近义反义Thesaurus
 n.铅锤
 
 Noun:
 the metal bob of a plumb line近义词 plummet铅锤plumb用铅垂测量…
 noun.weight on plumb line
 同义词 bob,lead,plumb,plumb line,plumb rule,plummet
 weightnoun something used because of its heaviness
 anchor,ballast,bob,counterbalance,counterpoise,counterweight,mass,pendulum,plumb bob,poundage,rock,sandbag,sinker,stone
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