They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.
它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。
Keep swimming, tennis, basketball and other sports schedules.
按时上游泳，网球和篮球等运动课。
The question might reasonably be asked: Why did the bear keep swimming?
我们很有理由这么问：为什么北极熊一直在海里游啊游？
Can you keep swimming when you get a side stitch, calf cramp, or foot cramp?
你能在岔气、小腿抽筋、脚抽筋的情况下继续坚持游泳吗？
"When life gets you down, you know what you gotta do? Just keep swimming." -dory.
当生活让你失望的时候，你知道你应该做什么吗？只需一直游泳就好了。——多莉。
Part of that terror may actually stem from a famous attribute of sharks: their need to keep swimming in order to breathe.
上面所说的恐惧也许就是因为鲨鱼的一个广为人知的特点：也就是它们需要一直游动才能呼吸。
Oh well, it is better to keep swimming in the direction where you think the buoy is located than to stop until you sight it.
向着自己认为浮标的位置保持前行，比停下来直到看到浮标要好。
Doing this repeatedly can have the unhappy effect of amplifying, rather than muting, the past's continuing influence as you keep swimming in that polluted pool.
这些过去的事情还是会影响你，就像你一直在污水里游泳一样。
Whenever they are not having a shower or swimming, they keep it on.
当他们不洗澡或不游泳的时候，他们就一直开着它。
I go swimming every day in order to keep fit.
我每天游泳以保持健康。
We have excellent coaches, wonderful facilities and a swimming pool to help you keep fit.
我们有优秀的教练，完善的设施和游泳池来帮助你保持健康。
You should go swimming with adults and make sure that they are able to keep you safe.
你应该和成年人一起去游泳，并确保他们能够保护你的安全。
We must keep the kids from swimming in the river.
我们不能让孩子们上河里游泳。
No wonder I don't have time to get a part-time job, train for swimming badges or join one of those knot-fixated paramilitary groups like Mum and Dad keep suggesting.
怪不得我没时间找兼职工作，为游泳奖章而训练或参加那些爸妈建议的拉练训练营之类的。
Or how about when you go snorkeling by a school of fish and you see every single one of those fish swimming along at the same speed, they keep the same distance from each other.
或者是在你浮潜的时候经过的鱼群，就会看到它们的每一条鱼在以相同的速度游过去，而且它们互相之间总是保持相同的距离。
It is virtually impossible to see and is tiny enough to pass through nets meant to keep jellyfish away from popular swimming spots.
人们几乎看不见它。它的身型十分微小，可以穿过阻挡水母的网，进入人多的游泳区域。
This summer, people flocked to the swimming pool to keep cool during the heat wave.
今年夏天，人们成群结队来到泳池纳凉，躲避热浪。
On February 6th Mr Nutter launched the "Splash and Summer fund" campaign, a public-private fund-raising partnership to keep open 20 swimming pools that had been scheduled to close.
2月6日，纳特先生开展了一个夏日基金会——通过公私合作的伙伴关系来维持原计划关闭的20家游泳池正常运转。
Swimming is a good way to keep fit.
游泳是保持身体健康的好办法。
To keep curiosity at bay there is a swimming-pool, a bowling-alley, a putting-green and two saunas (one hot; one seedy).
为了能让游客按捺住好奇心，宾馆建造了一座游泳池、一条保龄球道，一个小型高尔夫练习场和两个桑拿浴室（一个太热，一个太脏）。
Walking, swimming, cycling and in-line skating are all good choices, as long as you keep the intensity low.
慢走，游泳，单车和滚轴溜冰都是很好的选择，只要您保持低强度即可。
Keep in mind the rules of the pool when you go swimming.
去游泳的时候，要谨记游泳池的规则。
Jogging is an effective way to keep fit. Similarly, swimming is helpful for bodybuilding.
慢跑是一种锻炼身体的有效方法，同样地，游泳对于保持健康也有帮助。
You should try swimming then. It helps you to keep fit.
当你应当试试游泳。游泳会帮助你保持身材。
There is nothing like swimming to keep you strong.
游泳是保持身体强壮的最好方法。
In a sense, life is like swimming; if you keep holding on to the sides of the pool, you (will) never learn.
从某种意义上说，生活就像游泳。如果总是扶住池边，就永远也学不会。
Swimming can help people to keep healthy.
游泳可以使人保持健康。
Swimming can help people to keep healthy.
游泳可以使人保持健康。
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