Two things are fertilising this growth.

有两件事促使了森林覆盖率的增长。

They're drinking nectar from plants that have been fertilised by rotted fish.

它们正在吸食植物的花蜜，而那些腐烂的鱼早已成为这些植物的肥料了。

Fertilising these eggs for experimentation is forbidden in America.

美国禁止为实验用的卵细胞受精。

This increase in cAMP then activates the sperm, and lets them start swimming and searching for an egg to fertilise.

cAMP的增加会激活精子活力，让它们开始移动并寻找卵子受精。

Strangely fertilising, in the long run, does a wasted effort of attention often prove.

从长远来看， 奇怪的施肥往往会证明注意力的浪费。

The right-hand one was conceived in the normal way, by a sperm fertilising an egg.

右边的那个是以正常方式受孕的，由精子使卵子受精。

As yet I have not found a single terrestrial animal which can fertilise itself.

到目前为止， 我还没有发现一种可以自我施肥的陆生动物。

It works on the goats, who leave the tea untouched and instead eat up the weeds, fertilising the tea plants with their droppings.

这对山羊很有效，它们不碰茶叶，取而代之仅吃周围的杂草，其排泄物为茶树施肥。

Then, the emergence of the lush green vegetation fertilised by those salmon to sustain the bears when they emerge from hibernation.

之后，当熊从冬眠中苏醒的时候，那些经过腐烂鲑鱼培育的郁郁葱葱的植物又出现了，维持着熊的生存。

The cattle fertilise the soil and then each field is left for 60 days to restore itself before it's grazed again.

牛群的活动让土壤变得更肥沃，然后每一块牧区都会空闲60天，以等它恢复原状，之后再让牛过来吃草。

They know that sperm fertilises egg, and one cell grows to two, four, eight, and so on.

他们知道精子使卵子受精，一个细胞长成两个、四个、八个，等等。

Babies start to grow in the womb when a sperm cell meets an egg and fertilises it.

当精子细胞与卵子相遇并使其受精时，婴儿就开始在子宫中生长。

Only after pollination can the next process occur-fertilisation-when the pollen carried from another plant fertilises a female ovule to make new seeds.

只有经过了授粉，下一个程序受精——被带到另一个植物上的花粉在磁性胚珠上授精来结成新种子——才会发生。

Since then it has been shown that these ovarian stem cells can develop into eggs, be fertilised and produce perfectly healthy mouse pups.

迄今已经证实，此类卵巢干细胞能够分化成为卵细胞，卵细胞在受精后还能发育成健康的鼠宝宝。

They vary from the delight that megafauna provide those visiting a safari park to the more prosaic: pollinators fertilising crops; earthworms keeping the soil healthy.

包括大型动物为参观野生动物园的游客带来的愉悦，也包括一些更平淡的用处：传粉昆虫给农作物授粉，蚯蚓保持土壤健康。

(Female spiders can do this because they store sperm for a period of days or weeks before they use it to fertilise their eggs.)

（雌性蜘蛛之所以能这样做是因为她们能将精液存留数日或几周的时间，然后决定是否用其对卵子受精）。

Tomatoes are able to fertilise themselves, without need of a pollinator, yet even this self-pollination can be assisted by a bee visiting a flower.

番茄可以自我繁衍，不需要传粉者，但是如果有蜜蜂来传播花粉，这种自花授粉的植物也会得到帮助。

Only after pollination can the next process occur – fertilisation - when the pollen carried from another plant fertilises a female ovule to make new seeds.

只有在授粉之后，下一个过程才会发生——受精——从另一株植物上带过来的花粉使一个雌性胚珠受精，从而产生新的种子。

Human-caused carbon-dioxide emissions are having a similar fertilising effect on today's vegetation, though whether that is part of today's methane story remains to be seen.

人为造成的二氧化碳排放对当今的植被具有类似的施肥作用，尽管这是否是当今甲烷故事的一部分还有待观察。

Instead of making the same basic chemicals with renewable energy, basf could move from selling, say, fertiliser to offering fertilising services, helping farmers use less chemicals more efficiently.

巴斯夫可以不再使用可再生能源生产相同的基础化学品，而是从销售肥料转向提供施肥服务， 帮助农民更有效地使用更少的化学品。