英语词汇backwards and forwards Action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	backwards and forwards Action
释义	Examples: backwards and forwards (e.g. of piston or pump action)— 往复 backwards and forwards action (e.g. of piston or pump)— 往复运动 See also: backwards and forwards — 来回来去地
随便看	can't however can threaten can thrive canthus can thus be avoided can thus be considered can thus been understood can thus be observed can thus be seen as can thus prevent can thwart Canticle Canticles can't identify can't identify can't identify exactly can tighten can't ignore the fact cantilever cantilever arm cantilever brake cantilever brakes cantilever bridge cantilever design cantilevered balconies

英汉双解词典包含2273206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。

backwards and forwards (e.g. of piston or pump action)—