The boat finally grounded on a soft, underwater bank.
那条船最终在一个松软的水下浅滩搁浅了。
If the water's cloudy like that, it'll be hard to see anyone underwater.
如果水浑浊成那样，就很难看得到水下的人。
Heedless of time or any other consideration, they began to search the underwater cave.
他们根本没考虑时间或任何其他因素就开始寻找水下洞穴了。
They could stay long underwater.
它们可以在水下待很长时间。
It's famous for its underwater beauty.
它以水下美景而闻名。
Underwater cities will provide more space.
水下城市将提供更多的空间。
This was the key to a successful underwater expedition.
这是水下探险成功的关键。
But underwater film-making wasn't that unusual, was it?
但水下拍摄电影也没有如此不寻常，不是吗？
Was he like an innovator with underwater photography too?
他在水下摄影方面也是一个类似于革新者的存在吗？
I mean, weren't there other people making movies underwater?
我是说，难道没有其他人在水下拍电影吗？
Underwater exploration is so much cheaper than space flight.
水下探索比太空飞行便宜多了。
I heard, as if from underwater, the final growl of the hunter.
我仿佛从水底听到了猎食者的最后一声咆哮。
His first and most celebrated underwater film is about the seahorse.
他的第一部也是最著名的一部水下电影是关于海马的。
Astronauts practice spacewalks underwater in a huge special swimming pool.
宇航员在一个巨大的、特别的游泳池里进行水下太空行走的练习。
I can give you a quick summary of how whales hold their breath underwater.
我可以给你快速总结一下鲸鱼是如何在水下屏住呼吸的。
Whales carefully conserve their oxygen when underwater in a couple of ways.
鲸鱼在水下以几种方式小心地保存它们的氧气。
At least, he was still able to take photographs of the underwater creatures.
至少，他还能给这些水下生物拍照。
Seals breathe air, but that doesn't stop some of them from sleeping underwater.
海豹呼吸空气，但这并不能阻止它们在水下睡觉。
Most animals on land are known to us, but many living things underwater are not.
陆地上的大多数动物我们都知道，但水下的许多生物却不为人所知。
The bladderwort has an equally sophisticated way of setting its underwater trap.
狸藻类植物有一种同样复杂的设置水下陷阱的方法。
For the past three summers, Luca has added gardening to his underwater activities.
在过去的三个夏天里，卢卡在他的水下活动中加入了园艺。
Constructed in around 1700, it's nine storeys deep, with the last two levels underwater.
它建于1700年左右，有9层楼深，最后两层在水下。
When an underwater volcano pushes submerged rock to the surface, a new island is created.
当海底火山将水下的岩石推到表面时，一个新的岛屿就形成了。
In Vanuatu, you'll find the world's only underwater post office in the capital, Port Villa.
在瓦努阿图，你会在首都维拉港发现世界上唯一的水下邮局。
The mechanism had corroded underwater, and many of the gears were stuck together in a mass.
机器在水下已经被腐蚀，许多齿轮都粘成一团。
I was thinking about it and I realized I don't understand how they hold their breath underwater.
我正在考虑这个问题，我意识到我不明白他们在水下是如何屏住呼吸的。
Sleeping deep underwater helps these seals stay safe from animals that hunt them near the surface.
沉睡在水下可以帮助这些海豹远离在水面附近捕猎它们的动物。
They continue to emit distress calls underwater both as tadpoles and after they have begun metamorphosis.
无论是蝌蚪还是刚开始变形的蝌蚪，它们都能够在水下发出叫声。
These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.
这些声音包括冰原破碎、水下地震和动物自己发出的声音。
These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.
这些声音包括冰原破碎、水下地震和动物自己发出的声音。
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