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knob

/nɒb/
/nɑːb/

释义

  • noun(机器的)旋钮;(门或抽屉的)球形把手

英英释义

  • nouna round thing that you turn to control part of a machine

  • nouna round thing that you pull to open a door or a drawer (= a thing like a box in a cupboard or a desk)

场景例句

  • the volume control knob

词态变化

knob, knobs