大家都认识到这些化石的价值极其珍贵，但这些因素并不能解释这个有趣的问题：为什么在一个特定的地点会如此集中地出现即将临产的怀孕鱼龙群呢?。

But these factors do not account for the interesting question of how there came to be such a concentration of pregnant ichthyosaurs in a particular place very close to their time of giving birth .

youdao

大家都认识到这些化石的价值极其珍贵，但这些因素并不能解释这个有趣的问题：为什么在一个特定的地点会如此集中地出现即将临产的怀孕鱼龙群呢?。

But these factors do not account for the interesting question of how there came to be such a concentration of pregnant ichthyosaurs in a particular place very close to their time of giving birth .

youdao