例句
Botany The hood-shaped sepal or corolla of some flowers.
盔状花冠（或花萼）：某些花朵盔状的花萼或花冠。
A flower is made up of four parts:the sepal, petal, stamen and pistil.
一朵花由四部分组成：花萼，花瓣，雄蕊和雌蕊。
Leave away the sepal and crash the petal parts. Preheat the oven to 175C/350F.
将干燥玫瑰花去掉花萼，以手捏碎花瓣部份。烤箱预热至175C/350F。