You know, I am still not too clear about the hydrologic cycle, the transfer of water back and forth between the earth and the atmosphere.
你知道，我仍然不是很清楚水文循环，也就是水在地球和大气之间的来回转移。
Experienced swimmers know it is relatively easy to escape the narrow channel of the fast moving water by floating and allowing it to drag you further into the ocean or by swimming alongside the shore.
有经验的游泳者都知道，要想从湍急的水流中逃离狭窄的水道相对来说比较容易，方法是让水漂浮起来，让它把你进一步拖入大海，或者沿着海岸游泳。
I am very sorry to make your mouth water, but these, as you know, are five new gold pieces.
我很抱歉让你流口水了，但你知道，这是五个新金币。
As far as I know, now, people don't throw Zongzi into the water anymore in order to save food.
据我所知，人们现在为了节约粮食，不再把粽子抛到水里。
We all know that though 75% of the earth is covered with water, only 3% of it is fresh water.
我们都知道虽然地球75%都被水覆盖，但是其中只有3%是淡水。
People usually don't pay much attention to how much water industry uses, but you may be surprised to know that industry uses 59% of the water in developed countries.
人们通常不太关注工业用水的使用量，但是你可能会惊讶地发现工业用水占到了发达国家的59%。
Sediment as you know, is material like sand, gravel, fossil fragments that is transported by natural processes like wind, water flow or the movement of glaciers.
如你所知，沉积物是通过风、水流或冰川运动等自然过程输送的物质，如沙子、砾石、化石碎片等。
Go in feet first so that you can know how deep the water is.
脚先入水，这样你就能知道水有多深。
To find out, scientists need to know if Mars ever had water.
为了找到答案，科学家们需要知道火星上是否曾经有水。
Do you know three quarters of the earth is covered with water?
你知道地球四分之三是被水覆盖的吗？
As we know, it seems impossible to leave the desert without food and water.
我们都知道，如果没有食物和水，离开沙漠似乎是不可能的。
Do you know that we are using up the Earth's fresh water faster than we can replace it?
你知道我们消耗地球上淡水的速度比我们能补充它的速度还快吗？
Scientists are continually learning more about sleep, but one thing they know for sure is this—for humans, it is as important as food and water.
科学家正在不断加深对睡眠的研究，他们对其中的一件事实确信无疑：对于人类来说，睡眠与食物和水一样重要。
What they may not know is that some bottled water may not be as pure as they expect.
他们不知道的是有些瓶装水并不像他们想象的那么纯净。
All we know is founded on its rhythms: Water will flow from the snowcapped mountains, rain and sun will arrive in their proper seasons.
我们都知道自然界是有规律可循的：水从雪山上流下来，在适宜的时间雨水和阳光光临。
We all know we can't live without water, but just why is it so important?
我们都知道我们不能离开水，但是为什么它如此重要呢？
We know the water moves downwards when its left to itself as in rain, but you see if it moves downward on the right that would leave a gap, vacuum a hole in the pipe.
我们知道水都是往下运动的，就好比如同下雨一样，但是你会发现如果在右边的水也向下运动，就会产生一个空隙，在吸管里会有一段真空部分。
Before the silver filters, we didn't even know that you could get sick from water.
在见到陶罐过滤器以前，我们甚至不知道，水可以让你生病。
Based on your past experience you know the water will be cool and refreshing, and playing in the waves will be fun, so you decide to go for a swim.
据以往的经验你知道水将变凉而且使你精神振作，在水里玩玩肯定很有意思，所以你决定去游泳。
But then if you're looking at the water footprint, you want to know how that establishment is washing glasses.
不过如果你关注的是水足迹的话，你得想想卖扎啤的商家是如何清洗扎啤杯的。
But according to Ridoutt, just counting up the gallons of water isn't enough, because consumers should also know where that water came from.
但是布兰德瑞都特说，仅仅告诉消费者水量是不够的，还得告诉他们这些水是从哪里来的。
You know the water is going to be cold, but you also know that that feeling passes quickly and you'll soon be comfortable.
您知道水很冷，也知道这种感觉很快就会过去，很快就会很舒服。
Everything is affected by our increasingly toxic environments, as we know: air, water, temperature, worms, duck, men, women and children.
我们所生活的环境受到的各种污染日益严重，空气、水、气候、虫子、家禽、男性、女性、儿童都在遭受毒害。
Fish says to water: I am crying all the time, but you never know, because im in the water.
鱼对水说：我整天哭泣，不过你看不见我的眼泪，因为我在水中。
I didn't know how to swim and disappeared under the water.
我并不会游泳，所以很快沉下了水中。
Ff you come to Guilin, you will know how clear the water is and how green the hills are.
如果你来桂林，你将会知道那的水是多么的清，山是多么的绿。
From the evaporation of water, people know that liquids can turn into gases under certain conditions.
根据水的蒸发现象，人们知道液体在一定的条件下能变成气体。
It orbits too far away from its star to support liquid water or life as we know it, but scientists predict there are other stars in the system that might be good candidates for alien life.
像我们知道的那样，由于它离它围绕运行的恒星太远以致于它没有形成液态水或维持生命的能力，但科学家们预测在这个星系里应该会有其它适合外星生命的候选恒星。
We know how water scarcity translates into diseases of filth.
我们知道缺水怎样转变成由水土污染引起的疾病。
We know how water scarcity translates into diseases of filth.
我们知道缺水怎样转变成由水土污染引起的疾病。
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