scale leaf

例句：

1. 1. The scales of the butterfly are fascinating to watch.
   蝴蝶的鳞片非常吸引人。
2. 2. The leaves on the tree are turning yellow.
   树上的叶子正在变黄。
3. 3. The scientist studied the scales of the butterfly to understand its behavior.
   科学家研究了蝴蝶的鳞片来理解其行为。