叶状突

例句：

1. 1. The leaflet of the plant is covered in delicate veins.
   这植物的叶子上布满了细小的脉纹。
2. 2. The saccate appendage on the stem helps to support the weight of the fruit.
   茎上的刺状突起有助于支撑果实的重量。
3. 3. The leaflet of the plant provides shade and protection from the sun.
   这植物的叶子提供阴凉和保护，免受阳光直射。