a diamond ring

• 一枚钻石戒指

a diamond ring的用法和样例：

例句

1. She wears a diamond ring on her left hand.
   她左手上戴着一枚钻石戒指。
2. He gaged a diamond ring upon the speed of his car.
   他以一枚钻石戒指打赌他的汽车的速度。