1、The megalopteran larvae are mostly aquatic and undergo incomplete metamorphosis.
巨翅目昆虫的幼虫大多生活在水中，并经历不完全变态。

2、Megalopteran adults are known for their large, membranous wings and long, many-segmented antennae.
巨翅目昆虫的成虫以其大而薄的翅膀和长而多节的触角而闻名。