单词 plumb-line 释义 plumb-line n line with a plumb(1) attached to one end 铅垂线. 英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。 ...
单词 plumb-line 释义 plumb-line, n.|plmlan|Also 7 plim-.1. A line or cord having at one end a metal bob or plummet, for testing or determining vertical direction; sometimes = plumb-rule.1538Elyot Dict. Perpendiculum, a plumlyne, such as masons and carpen...