Annulet knob, circle knob, there are four leafs petal form.小环钮, 圆钮座, 有四出叶瓣形.Annulet or Finger Ring - Fidelity.项链或指环 - 诚信....

annulet的音标：annulet的英式发音音标为：[æ'nʌlet]annulet的美式发音音标为：[æ'nʌlet]...

n.（环绕柱子的）小环带，圆箍线，小圈...