公爵

例句：

1. 1. The Duke of Windsor is a famous actor.
   温莎公爵是一位著名的演员。
2. 2. He was the Duke of Cambridge when he was born.
   他出生时是剑桥公爵。
3. 3. The Duke of Edinburgh was a great supporter of peace.
   爱丁堡公爵是和平的坚定支持者。