But no one imagined they'd been fertilized.

但没人想到它们已经受精了。

These fish breed in groups where one male fertilizes several females.

这些鱼成群繁殖，一只雄鱼使几只雌鱼受精。

Then, the soil can be fertilized using recycled biological waste.

然后，可以使用回收的生物废物对土壤进行施肥。

And U.S. farmers, well, they could face fertilizer shortages.

而美国农民，他们可能面临肥料短缺的问题。

And so where the soils are consequently far less frequently fertilized naturally.

因此，那里的土壤自然施肥的频率要低得多。

The fertilized egg develops into a fetus.

受精卵发育成一个胎儿。

And their poop turns out to be incredibly important because it fertilizes the phyto.

它们的粪便惊人地重要，因为滋养了浮游生物。

Normally, the earth stores CO2, which fertilizes the soil.

通常，地球会储存能使土壤变肥沃的二氧化碳。

Plough land, plant a crop, water, fertilize, harvest, and repeat each year.

犁地、种庄稼、浇水、施肥、收获。年而复始。

Where we would eat crops fertilized with our own waste.

我们的排泄物可以作为肥料培育可食用的农作物。