Fish take in oxygen through their gills.
鱼用鳃吸取氧气。
Both fish and tadpoles have gills.
鱼和蝌蚪都有鳃。
You won't ever find feathers on a mammal or gills on a primate.
你在哺乳动物身上找不到羽毛，在灵长类动物身上找不到腮。
The gills of fishes are analogous to the lungs in terrestrial animals.
鱼类的鳃与陆上动物的肺类似。
The behemoths are indeed sharks. They breathe through gills, like fish.
事实上，这些庞然大物确实是鲨鱼。它们通过鳃呼吸，就像鱼一样。
Indeed, the world's 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
事实上，世界上有37种海马是鱼，它们通过鳃呼吸，用鱼鳔来控制浮力。
They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation.
然而，他们虽然仍呼吸着空气，却从未进化出类似于腮这种早期海洋生物的器官。
While the swimmer's movements may be smooth and fluid, people have neither fins to stay afloat or generate speed, nor gills to deal with going under.
虽然游泳者的动作可能是平稳和流畅的，但人们既没有鳍来保持漂浮或产生速度，也没有鳃用于在水下呼吸。
I was stuffed to the gills with chocolate cake.
我吃巧克力蛋糕都撑到嗓子眼儿了。
They use their special organ (器官) called gills (腮) for breathing.
他们用叫做腮的特殊器官来呼吸。
Fish have gills instead of lungs.
鱼用鳃来代替肺。
The vulnerable spots are the eyes, gills and snout.
它脆弱的地方是眼睛，腮和口鼻部。
You should sit down. You look a bit green around the gills.
你应该坐会儿，你看起来脸色很不好。
It breathes in the water with its gills as other fish do.
在水中它们像其他鱼一样用鳃呼吸。
You should sit down. You look a bit green around the gills .
你应该坐会儿，你看起来脸色很不好。
Mom: Because the fish has no nose, it uses the gills to breathe.
妈妈：因为鱼没有鼻子，它用鱼鳃呼吸。
Whale sharks sieve enormous amounts of plankton, which they eat through their gills as they swim.
在游泳的时候，鲸鲨通过鳃滤食大量的浮游生物。
The boy and his father looked at the handsome fish, gills playing back and forth in the moonlight.
男孩和他父亲看着这条漂亮的鱼，鱼鳃在月光下一张一翕。
The boy and his father looked at the handsome fish, gills playing back and forth in the moonlight.
男孩和他父亲看着这条漂亮的鱼，它的鱼鳃在月光下一张一翕。
They were fresh and hard and he laid them side by side and dropped the guts and the gills over the stern.
它们还很新鲜、坚实，他把它们并排放下，把内脏和鱼鳃从船梢扔进水中。
For example, certain amphibians retain fishlike gills even when fully mature and past their water-inhabiting period.
如某些两栖动物即使在完全成熟并已经度过水中生活的时期后仍然保留有鳃。
Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.
比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。
Sea scorpions—thought to be among the first marine animals to evolve for life on land—breathed underwater using gills on their tails.
海蝎子被认为是第一批向陆地生活演化的海洋动物中的一种，在水中则用它们尾部的腮呼吸。
Sea scorpions—thought to be among the first marine animals to evolve for life on land—breathed underwater using gills on their tails.
海蝎子被认为是第一批向陆地生活演化的海洋动物中的一种，在水中则用它们尾部的腮呼吸。
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