英语词汇man-made ditch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	man-made ditch
释义	man-made ditch 简明释义人工渠网络释义短语 1 Man-made biological ditch 人造生物沟双语例句 1 To protect their outer walls, many castles were surrounded by a moat (a water-filled ditch). Some castles used rivers as part of their moat, but most moats were man-made. 为了保护城堡的外墙，很多城堡都在四周建造了护城河。一些城堡利用河流作为护城河的一部分，但大多数护城河是人工修建的。
随便看	constant functor constant gain locus constant gene constant gene segment constant geometrical pitch constant geometry nozzle constant glow potential constant-glow potential constant, gradient constant gradient accelerator constant-gradient accelerator constant gradient accelerator structure constant-gradient accelerator structure constant gradient focusing constant-gradient focusing constant gradient synchroton constant-gradient synchroton constant gradient synchrotron constant-gradient synchrotron constant gradient velocity profile constant-gridpotential oscillator constant growth constant growth model constant growth model constant growth rate

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