英语词汇Jacob's staff怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Jacob's staff
释义	Jacob's staff n. 【测绘】(中世纪用于测高和测距的)十字测量仪, 十字测天仪
随便看	around around about sth around and around a round dozen around here a round journey of over 200 miles around lunchtime a round of ammunition a round of applause a round of applause a round of drinks a round of golf a round of sandwiches a round of sth a round of talks a round of talks a round of toast a round sum around the block around the clock around the corner around your neck arousable arousal arousals

英汉双解词典包含368430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。