伊凡

例句：

1. 1.The Russian emperor Ivan IVwas known for his wisdom and military prowess.
   俄罗斯皇帝伊凡四世以其智慧和军事才能而闻名。
2. 2.Ivan is a common name in Russia, often used as a surname.
   伊万是俄罗斯常见的姓氏，常被用作名字。
3. 3. Inthe novel "The BrothersKaramazov," Ivanis a central character.
   在小说《卡拉马佐夫兄弟》中，伊万是一个中心人物。