We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.

我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。

rising at one-foot intervals all the way to the top of the atmosphere.

并按1英尺的间隔从地面一直排列到大气层的顶端。

and having different effects. One poison acts on the nerves, the other on the blood.

不同毒蛇产生的毒液产生的效果不同，一种毒液作用于神经，另一种毒液作用于血液。

This was the Vasa, royal flagship of the great imperial fleet.

这就是"瓦萨号，帝国大舰队的皇家旗舰。

They may even accuse them of disloyalty,

他们甚至责备孩子不忠，

and should never be added to drinking water.

永远不能掺入饮用水。