crown rust of oat

例句：

1. 1. The king wore a crown on his head.
   国王戴着王冠。
2. 2. She won the award with a beautiful crown.
   她以一顶漂亮的皇冠赢得了奖项。
3. 3. The crown jewels are kept in a museum.
   皇冠珠宝被保存在博物馆里。