搜狗翻译
knob (plural knobs) A rounded protuberance , especially one arising from a flat surface; a fleshy lump or caruncle . A rounded control switch that can be turned on its axis , designed to be operated by the fingers.
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knob (plural knobs) A rounded protuberance , especially one arising from a flat surface; a fleshy lump or caruncle . A rounded control switch that can be turned on its axis , designed to be operated by the fingers.