文章列表

• 1.时差N小时 我们为什么要锻炼身体?(下)
• The theory is that humans are genetically programmed by evolution to be physically active. 该理论认为人类的身体活动决定自身的基因进化。 After all, our...
• 2.时差N小时 人类为什么会长痘痘?(上)
• One of the least pleasant things about being human is the appearance at adolescence of pimples. 对于人类而言，最恼人的莫过于青春期脸上长痘痘了。 Not o...
• 3.时差N小时 人类为什么会长痘痘?(下)
• That means there is nothing to open up the pore itself; and that means the pore is a great place for oils, dirt and bacteria to get clogged. 那就意味...
• 4.时差N小时 你对潜水艇了解多少?(上)
• Some of the best moments in World War II movies occur when, during a battle at sea, a periscope pokes up from the water, surveying the ocean terrain. ...
• 5.时差N小时 你对潜水艇了解多少?(下)
• A submarine works in much the same way, with one major exception: a sub can alter its buoyancy by manipulating overall density. 海底工作大致是相同的，...
• 6.时差N小时 不明飞行物的攻击(上)
• June. Nineteen sixty-nine, not one airliner but two, plus the pilot of an Air National Guard fighter plane, report being harassed by a team of UFOs. 1...
• 7.时差N小时 不明飞行物的攻击(下)
• By using a simple fact: far-away things look like they are going slower than close-up things. 通过一个很简单的道理：远处的东西运动起来看起比近处的东西...
• 8.时差N小时 月球尘埃的危害有多大?(上)
• Hey Yael, I was wonderingwhy don't we hear much about the moon anymore? 嘿，雅伊尔，我在想为什么我们现在没什么跟月球相关的消息了呢? What are you mean,...
• 9.时差N小时 月球尘埃的危害有多大?(下)
• And moon dust is clingy; it gets all over spacesuits and inside space capsules. 而且月球尘埃很有依附性，太空服太空舱里面都会有。 Astronauts from the '...
• 10.时差N小时 火是如何形成的?(上)
• It's one of our most important tools, and holds prominent place in many ancient philosophies and religions. 这是我们最重要的工具之一，并且在很多古代哲...