knob noun

ADJ. door | control, volume Adjust the control knobs by pressing lightly.

VERB + KNOB adjust, fiddle with, touch, turn, twiddle I've tried twiddling the knobs, but nothing seems to happen.

KNOB + VERB adjust sth, control sth

PREP. ~ on the knobs on the radio

You can also check Google Dictionary: knob (English, 中文解释 )

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