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 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。

However, older eggs may not fertilize normally and there is an increase of chromosomal abnormalities with age.

然而，较老的卵子可能不能正常受精，而且随着年龄的增长染色体异常也会增加。

Timing is also important for fertilizing.

施肥的时机也很重要。

The birds' waste then fertilizes fields.

然后，鸟类的排泄物可为田地施肥。

You can also fertilize orchids -- but not too much.

你也可以给兰花施肥--但不要太多。

It slowly fertilized the soil and grew more grass.

它慢慢地肥沃了土壤，长出了更多的草。

They're going to fertilize the soil.

他们会给土壤施肥。

Fertilizing too early will not help grasses grow.

过早施肥不利于植物的生长。

They will fertilize the soil. The grass will begin to grow.

这会给土壤施肥。草会开始生长。

In these temperatures, the fertilized eggs have no chance of developing.

在这样的气温下受精卵无法发育。

There are birds that lay unfertilized eggs, but as part of a bigger clutch of eggs are fertilized eggs.

确实有下未受精的蛋，但是是作为更多的受精的蛋的一部分。

For grasses, Damiano says not to fertilize until mid to late spring.

至于植物，达米亚诺说，要到春季中后期才能施肥。