And the difference actually runs deeper.

实际上差别可以更深入
By definition, when biologists talk about this,

根据定义当生物学家讨论这
animals that are males have a little sex cell,

雄性动物携带有很小的生殖细胞
which carries genes and nothing else sperm cells.

除了精细胞外没有其他的东西了
Animals that are females have a big sex cell,

雌性动物有很大的生殖细胞
which has genes but also food and a protective cover

除了有基因还有食物保护罩
and all sorts of other stuff.

以及各种其他东西
Typically, the little sex cell is much littler

典型的小的生殖细胞比
than the big sex cell.

大生殖细胞要小很多
This is the only erotic picture I'm going to show you today.

这是今天给你们展示的唯一一张色情图片
It's a bunch of these little sperm circling around the egg.

这是一群小精子在卵子四周环绕
It's romantic.

很浪漫