她戴的项链上有一颗宝石般的钻石，在灯光下闪闪发光。

The necklace she wore had a ___gem-like diamond that sparkled under the light.

她的声音如宝石般纯净，每个音符都完美无瑕。

Her ___gem-like voice was pure, with every note perfectly flawless.