knob

詞型變化：

英文解釋：

名詞 knob:

1. a circular rounded projection or protuberance
   同義詞：boss
2. a round handle
3. any thickened enlargement
   同義詞：node, thickening
4. an ornament in the shape of a ball on the hilt of a sword or dagger
   同義詞：pommel

英文造句：

1. Twist the knob to the right setting.
   把旋鈕擰到適當的定位擋上。
2. This knob is only held on by sellotape.
   這個旋鈕只是用透明膠帶固定住的。
3. As he turned the knob, the sound diminished.
   他一轉旋鈕，聲音就變小了。
4. A knob, knot, or other small protuberance.
   球形突出物，樹瘤球形突出物、節瘤或其它小的突出物
5. A knob, knot, protuberance, or swelling.
   節，結，瘤球狀物、結、節疤或腫瘤
6. `Does this knob come off?' `No, it's fixed on permanently.'
   ｀這個把手能拆下來嗎?＇｀不能，那是固定的.＇
7. You may turn the right knob on the TV to switch it on.
   你可以擰電視上右邊的旋鈕把它打開。