In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.

在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。

youdao

In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.

在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。

youdao