So, how about growing bigger gills to allow for more oxygen intake?

那要是通过长出更大的鳃来摄入更多氧气呢？

Pardon me, do you have gills, ma'am?

你有鳃吗 夫人?

You're just happy you don't have gills anymore.

你应该庆幸你不会再有鳃。

I don't like this respiration, and I don't like the way these gills look.

我不喜欢这种呼吸，也不喜欢这些鳃的样子。

You see a matter of them. - Just looking at the the gills.

你发现问题了？- 我在看鳃。

Gills of a fish are the organs it uses to breathe instead of lungs.

用来呼吸的器官是鳃而不是肺。

It opens its gills and the cleaner wrasse bustles in to begin the treatment.

它张开鳃，裂唇匆忙进来开始清理。

She's got gills. But no, it's amazing.

她好像有腮 开玩笑的 但确实很厉害。

Gills wouldn't let us move underwater, but they'd help us in many other ways.

鳃不能让我们在水下移动，但它们可以在许多其帮助我们。

So, gills would, in fact, would change our lives.

所以，事实上，鳃会改变我们的生活。

Fish have gills and live in the water.

有鳃，住在水里。

Filtering it from the seawater with their gill rakers.

用它们的鳃耙过滤海水中的浮游生物。

Some animals, such as the Mexican salamander, have their gills on the outside.

有些动物，如墨西哥蝾螈，它们的鳃在外。

And here we thought gills were only for gaseous exchange.

我们以为鳃只是用来交换气体的。

But gills are not the only respiratory system aquatic insect can have.

不过鳃并不是水生昆虫唯一用来呼吸的器官。

First, there were gills. But gills, of course, still only work inside of water.

首先是鳃。当然，鳃仍然只在水中工作。

After 16 hours, all the crabs had plastic lodged in their gills.

16个小时后，在它们的腮部都会留存有塑料微粒。

They have little pink gills, which stick out on each side of their head.

蝌蚪脑袋的两侧分别长有一个粉红色的小鳃。

It has seven fins, and gills and eyes just like those of the gold-fish.

有七个鳍, 也有鳃、眼睛, 跟金一样。

Scientists have also documented how the salamander can breathe with lungs and gills.

科学家还记录了蝾螈是如何用肺和鳃呼吸的。