标签：时差和气压 相关文章
Don: Oh, Yael, I just read the most beautiful poem. No wonder our ancestors developed writing--they probably wanted to treasure poetry for posterity. Yael: Actually Don, writing was developed to keep track of more mundane things, like money. For exam
英语时差8，16
Fans of classic movies will remember the famous dueling banjos scene in Deliverance, the story of four city friends who take an ill-fated boating trip down a backwoods Georgia river. As the friends set out, one of the friends challenges a local boy w
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Yael: Y'know, I've always wondered what you were like as a kid, Don . . . I bet you were a nice, sweet little boy. Don: Actually, Yael, just the opposite. At least that's what I'm told. Evidently I could be pretty difficult as a toddler. Y: Really? B
英语时差8，16
Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases going up with a mother's age. But the biological c
英语时差8，16
It's one of the most oppressively hot and humid days of the year, and Joan Fessler is in a room where the heat is cranked up to 36.5 degrees. On purpose. While everyone else is searching for ways to cool off, devotees of hot yoga spend class sweating
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Mike: We're going to the beach, not on an expedition to the Antarctic. Come on. Let's get going. Amanda: Just hang on a sec! I've got to make sure we have all the essential items needed for a good time. Mike: Judging by the pile of stuff by the door,
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Mike: Hi, Amanda. What do you think of my new sneakers? I just bought them at Wufenpu a few days ago. Amanda: They look pretty snazzy, Mike. I especially like that color-what a striking shade of blue! How much did you end up paying for them? Mike: We
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Holly and Ivy At the approach of the holiday season, early American colonists decorated their homes with greenery in the English tradition. They found that the winter foliage in their new land was somewhat different, so they added mountain laurel and
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Which has more caffeine, coffee or tea? Ask this at a party and then watch the sparks fly. Everybody, it seems, has a definitive answer that is a little different from someone else's. What's the truth? Well, the real answer is a little more complex t
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Ya?l: I've got a good trivia question for you, Don. Don: OK, Ya?l. Y: What animal's beak is one of the hardest known organic substances? D: Umm . . . I don't know. The bald eagle? Y: Nope. It's the giant squid. A squid beak can reportedly snap throug
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Mike: I like the look of that pair over there. What do you think? Amanda: The leather pair? Good choice. Leather shoes allow your feet to breathe, so they won't get all sweaty and smelly. Mike: They even have special insoles to support the arches of
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Did you ever dream of digging a hole so deep it came out the other side of the earth? Let's play that game again, using a little physics. First we have to imagine that our tunnel is lined with super-heat-resistant material so we can pass through laye
英语时差8，16
Brittney Exline is too young to vote, drive a car or go to an R-rated movie, but at the age of just 15 she began her Ivy League career when classes started at the University of Pennsylvania earlier this month. Exline said she does not really notice t
英语时差8，16
A surprising phenomenon sometimes occurs to people who have lost a hand. Soon after the hand is lost, they report that they can feel it again this time when something touches the side of their face. A neurologist can lightly touch different areas on
英语时差8，16
Antibiotics, as the name implies, work against life, or more specifically against living cells. Since our bodies are also made up of living cells, the antibiotics have to distinguish between the cells in our bodies and the cells of the bacteria causi
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D: I guess it make sense. It's just I've heard that regular physical activity can strengthen your immune system and help prevent catching cold and other illnesses. So I figured that even if youre already sick, doing something physical may help. Y: We
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or example, spending money on things, like a new car or big flat screen TV, may give you a happiness bump at first. But its only temporary. Because we very quickly get used to even our coolest, most expensive possessions and soon barely notice them.
英语时差8，16
For example, spending money on things, like a new car or big flat screen TV, may give you a happiness bump at first. But its only temporary. Because we very quickly get used to even our coolest, most expensive possessions and soon barely notice them.
英语时差8，16
Snowflakes are small ice crystals. Snowflakes near the ir melting temperature can, through hand pressure, be made to fuse into a snowball by a process of melting and re-freezing. The snow yields to pressure gently and progressively and doesnt make so
英语时差8，16
When you take an aspirin, a decongestant, or a muscle relaxant, the drug youre taking was probably made by a chemist combining a specific mixture of chemicals. Microscopic Fungi And Bacteria Antibiotics, on the other hand, are chemicals produced by m
英语时差8，16