Meaning of zuàn shí:
zuàn shí
钻石
Noun
diamond; CL:顆|颗[ke1]
Tā de jièzhǐ shàng yǒu yī kē piàoliang de zuànshí.
她的戒指上有一颗漂亮的钻石。
There is a beautiful diamond on her ring.
Zhè méi jièzhǐ shàng xiāngqiàn le yī kē shǎnliàng de zuànshí.
这枚戒指上镶嵌了一颗闪亮的钻石。
This ring is set with a sparkling diamond.