单词	ball cock
释义	ball cock noun : an automatic valve whose opening and closing are controlled by a hollow float at the end of a lever Word History First Known Use 1734, in the meaning defined above
随便看	colorablenesses colorably coloradan coloradans coloradi coloradilli coloradilloes coloradillos Colorado Colorado blue spruce Colorado bur Colorado Desert Colorado fir Colorado grass Colorado manroot Colorado National Monument Colorado pikeminnow Colorado Plateau Colorado potato beetle Colorado ranger Colorado River hemp Colorado rubber plant colorado rubber weed Colorado Springs Colorado spruce

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