wintercherry fruit or calyx

例句：

1. 1. Winter cherries are a popular fruit in the fall.
   冬樱桃是秋季的流行水果。
2. 2. The winter cherry tree is known for its beautiful pink flowers.
   冬樱桃树以其美丽的粉红色花朵而闻名。
3. 3.Winter cherries are rich in antioxidants and can help boost your immune system.
   冬樱桃富含抗氧化剂，有助于增强免疫系统。