单词tsarevitch
The gem was named " Alexandrite " after the young Tsarevitch, who was crowned Tsar Alexander II in 1855.
这种宝石在1855年沙皇亚历山大二世登基后被命名为“亚历山大石”。
Tsarevitch Ivan, the Fire Bird and the Gray Wolf
俄罗斯童话：火鸟及灰狼