jewel

博物馆的安全系统被突破，那件著名的钻石珠宝被盗了。

The museum's security was breached, and the famous diamond ___jewel was stolen.

她祖母最珍视的财产是一枚镶有一颗闪亮宝石的金胸针。

Her grandmother's most prized possession was a gold brooch set with a single, sparkling ___jewel.

这位年轻的科学家是我们研究所的瑰宝。

The young scientist is the ___jewel of our research institute.