Manatees fart to maintain the right buoyancy in water.

海牛放屁是为了在水中保持适当。

You have to adjust the buoyancy and if you mess up you can sink.

要调整，如果搞砸了就会沉下去。

British astronaut Tim Peake says water gives us buoyancy, which is the ability to float.

英国宇航员蒂姆·皮克说水能给我们。

Their size gives them increased buoyancy and musculature to be great swimmers.

它们体型增加了它们和肌肉组织，使得它们成为了优秀游泳运动员。

Their natural buoyancy comes from their body structure.

它们自然来自于它们身体结构。

Any such churning is overwhelmed by the extra buoyancy of the warmer surface layers.

海洋任搅动都被表层海水所增加给掩盖了。

Tiny hairs on their legs trap air bubbles and increase their buoyancy.

它们腿上细毛捕获气泡并增加它们。

It's pretty cool. Okay. Soft bend, we find a buoyancy.

很酷 好 膝盖微 那种。

Then she had been pale and sad but there had been a buoyancy about her.

那时她尽管面黄瘦，但还显和比较轻松活泼。

Now that buoyancy had gone, as if the surrender had taken all hope from her.

可现在那轻松活泼神气完全消失了，仿佛联盟军投降消息把她整个希望都毁灭了似。

With his natural buoyancy of spirits, he began to hope again.

他正喝着那刺骨寒风，他又恢复了他那种固有信心，苏生了成功希望。

Isn't it water depth, atmospheric pressure, food energy, or buoyancy.

是水深、气压、食物能量还是。

So it doesn't seem a bit of buoyancy around European banks at the minute.

因此，目前欧洲银行增长似乎并不少。

Shella's injuries have affected her buoyancy.

希娜伤影响了她性。

So as you travel deeper, the buoyancy force from the metallic hydrogen counteracts gravity's downward pull.

所以当你下降得更深，来自金属氢，抵消掉向下重。

The way we practise spacewalk is in water. Water gives us the neutral buoyancy that we need.

我们训练太空行走是在水中进行。水能给我们提供我们需要中性。

That force of buoyancy pushes up on each ring, until it matches the downward force of gravity.

在每个环上向上推，直它与向下重平衡。

The experiments that you and I are working on to demonstrate density, buoyancy, and the compression of gases.

你和我正在做实验来证明密度，和气体压缩。

That extra buoyancy means it is less likely to mix with cooler, denser and more nutrient-rich waters below.

增加意味着它不太可能与下方温度更低、密度更大、营养更丰富水域相融合。

And that's okay, you can think that, but I highly recommend you find this is kind of buoyancy.

没关系，你们可以这么想，但我强烈建议你们这种。