花园里飞舞的蝴蝶和飞蛾都属于鳞翅目昆虫。

The butterflies and moths fluttering in the garden all belong to the order ___Lepidoptera.

科学家们研究鳞翅目昆虫以了解它们如何适应气候变化。

Scientists study ___Lepidoptera to understand how they adapt to climate change.