We must supersede old machines by new ones.我们必须以新机器取代旧机器。The use of robots will someday supersede manual labor.机器人的使用有一天会取代人力.We must supersede old machines by [ with ] new ones.我们必须以新机器取代旧机器....
Maybe I'll go to hydroponics afterward and run through the sprinklers.也许我会去水耕然后经过洒水车.That is akin to installing sprinklers after the house has burned down.这种做法类似于房子烧毁后再安装洒水装置.Something swooshed and six sprinklers se...
他让这场总体很沉闷的辩论时不时迸出了些火花。He managed to lighten the generally lifeless debate at times.电线在我头顶上方冒着火花。The wires were sparking above me.一列过往火车迸发出的一些火花点着了干草堆.Some sparks from a passing train set the haystack on fire....