annulet
n. 小环;轮状环缘;[昆] 小环斑
例句
Annulet or Finger Ring - Fidelity.
项链或指环-诚信。
Small annulet ball, natural resources is limited.
小小环球,资源有限。
Annulet knob, circle knob, there are four leafs petal form.
小环钮,圆钮座,有四出叶瓣形。