tertiary egg envelope

例句：

1. 1.The tertiary egg envelope is a crucial component in the development of new drugs.
   三重蛋壳是新药物发展的关键组成部分。
2. 2.The tertiary egg envelope plays a vital role in the protection of the eggs during transportation.
   三重蛋壳在运输过程中对鸡蛋的保护起着至关重要的作用。
3. 3.The tertiary egg envelope is made up of three layers, each with its own unique properties.
   三重蛋壳由三层组成，每层都有其独特的性质。