英文: A knob, knot, protuberance, or swelling.
中文: 节,结,瘤球状物、结、节疤或肿瘤英文: A knob, knot, or other small protuberance.
中文: 球形突出物,树瘤球形突出物、节瘤或其它小的突出物英文: As he turned the knob, the sound diminished.
中文: 他一转旋钮,声音就变小了。英文: Turn the manual regeneration knob clockwise one “click”.
中文: 转顺时针一号用手的再生安钮“作轻敲声”。英文: This knob is only held on by sellotape.
中文: 这个旋钮只是用透明胶带固定住的.