corolla lobe

例句：

1. 1. The flowers have beautiful corollas and lobes.
   这些花有美丽的花萼和花瓣。
2. 2. The scientist observed the structure of the corolla lobes.
   科学家观察了花萼和花瓣的结构。
3. 3.The artist painted a series of corolla lobes to illustrate the flower's beauty.
   艺术家绘制了一系列花萼和花瓣来展现花朵的美丽。