If you decide to re-use storage containers, choose two-liter plastic soft drink bottles - not plastic jugs or cardboard containers that have had milk or fruit juice in them.

推荐在剩余物资商店或野营用具店里购买食品级的贮水容器。如果你决定循环利用水瓶，选择两升装的软饮料塑料瓶而不是那些已经装过牛奶或果汁的塑料瓶或纸制袋。

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If you \ 're a sedentary 200-pounder, you need about 75 grams of protein (about two chicken breasts) a day for muscle preservation.

如果你是一个久坐的200磅的人，那么你就需要每天摄取差不多75克的蛋白质(大概两大块鸡脯肉)来保证你的肌肉组织不会松垮。

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Today, World AIDS day, I want to re-introduce two young women whom you may have met once before.

今天是世界艾滋病日，我要再次介绍你们可能在此之前已见过的两位年轻妇女。

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"In fact you know two out of three of them don't even know they're infected because usually they feel perfectly healthy."

VOA: standard.2010.07.26

So any time you have two atoms bonding, the bond axis is just the axis that they're bonding along.

任何时候如果你有两个原子成键，键轴就是它们成键的方向。

麻省理工公开课 - 化学原理课程节选

Alright, so it turns out there're two other useful types that you don't get for free out of the box.

我们还是回到这里，还有两种很有用的数据类型,这两种都不用担心内存不足。

哈佛公开课 - 计算机科学课程节选

For example, you're two miles out from a helicopter landing zone, flying 230 knots as an airplane.

CENTERFORSECURITYPOLICY: V-22: A discussion on the way ahead

"You're not putting two gorillas in a cage, you're putting a gorilla in with a mouse, " says Marick Masters, a professor at the Katz Business School at the University of Pittsburgh who specializes in the airline industry.

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When you're working two or three jobs, and you can't pay your bills, it doesn't matter how much you love any of them.

WSJ: Carl McCoy: Dear Grads, Don't 'Do What You Love'