萼上的

例句：

1. 1. The plant'spetals are covered in delicate, velvety hairs.
   这植物的花瓣上有细腻的绒毛。
2. 2. The flower's sepals are adorned with intricate patterns.
   这花的萼片上装饰着复杂的图案。
3. 3. The scientist carefully removed the petalsto examine their structure.
   科学家小心翼翼地移除了花瓣以检查其结构。