单词	friction drive
释义	friction drive noun : a power-transmission system that transmits motion by surface friction instead of teeth Word History First Known Use 1907, in the meaning defined above
随便看	rasp rasp house rasp leaf rasp-bar cylinder rasp-cut file raspa raspador raspatories raspberries raspberry Sitka Sitka alder Sitka crab Sitka cypress Sitka spruce Sitka spruce beetle Sitka spruce weevil Sitka willow Sitkan sito- sitologies sitology sitomanias Sitona Sitophilus

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