原文视听

A fish swimming just below the surface creates tell-tale ripples
一条在水面下游动的鱼 造成明显的涟漪
and that is all the bat needs to detect them.
只需这样 牛头犬蝠就能发现猎物
With little more than a fin to aim for,
以时速六十五公里飞行
and whilst flying at 40 miles an hour,
只要瞄准一片鱼鳍
the bat takes the fish completely unawares.
牛头犬蝠就能出其不意的捕鱼
If the shoal scatters...
如果有鱼群散布在水中
..the bat trawls the surface.
它就在水面拖钓
Raking the water, trying to snag a fish.
擦掠过水面，试着勾起一条鱼
He won't have the best fishing spot to himself for long,
这只牛头犬蝠 无法独占最佳渔场太久
and soon, other bats arrive.
它的同伴很快就出现
Oncoming traffic would make grabbing a fish almost impossible,
老是担心会迎头撞上同伴 就无法捕鱼
so the bats avoid collisions by honking -
所以牛头犬蝠 会按喇叭避免对撞
dropping their calls an octave to say, "Look out, here I come!"
发出低八度音的叫声 就表示“小心，我来了”

重点解释

With little more than a fin to aim for,and whilst flying at 40 miles an hour,以时速六十五公里飞行只要瞄准一片鱼鳍

little more than只不过(等于；只是)

She left little more than an hour ago.

她离开一个多钟头了。

The play was little more than froth.

这出戏只不过是些浅薄的空谈。

常用短语：nothing more than仅仅

It was nothing more than a shower.

只不过下了场阵雨。

Racing is nothing more than a hobby.

赛车只是一种爱好。

aim for瞄准； 以 ... 为目标

We should aim for a bigger share of the market.

我们应该努力争取更大的市场份额。

We must aim for world peace in the long term.

我们要争取持久的世界和平

Raking the water, trying to snag a fish.擦掠过水面，试着勾起一条鱼

try to设法, 尽力, 试图

They should try to keep prices from rising.

他们应该设法阻止价钱上涨。

Do not try to cover a mistake.

不要试图掩盖错误。