petalode

例句：

1. 1.The delicate petals of the rose are a symbol of love.
   玫瑰那精致的花瓣是爱情的象征。
2. 2.The scientist observed the petals' structure in detail.
   这位科学家仔细观察了花瓣的结构。
3. 3.The flower's petals were covered in tiny droplets of dew.
   这朵花的花瓣上覆盖着露珠。