英语词汇simple machine的意思、用法及释义-英汉双解词典

单词	simple machine
释义	simple machine any simple instrument used as (part of) a machine, eg a wheel, lever, pulley 简单机械（如轮、杠杆、滑轮）.
随便看	life annuity life assurance lifebelt life-blood lifeboat life cycle life expectancy life-giving life-guard Life Guards life history life interest life-jacket lifeless lifelessly lifelessness lifelike lifeline lifelong life peer life-preserver lifer life-raft life-saver life sciences

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。