【英文听力】Scientific American 60s -Human Hearts Bleed for Abused Robots
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【英文听力】Scientific American 60s -Owl Silent Swoop Depends On Down
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【英文听力】Scientific American 60s
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【英文听力】Scientific American 60s
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【英文听力】Scientific American 60s
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【英文听力】Scientific American 60s -Elephants Better Beat the Heat--or Else
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【英文听力】Scientific American 60s -Human Health Depends on a Healthy Environment
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【英文听力】Scientific American 60s -Good Gut Bacteria May Keep Bad at Bay
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【英文听力】Scientific American 60s -Ice Cores Reveal Green Arctic
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【英文听力】Scientific American 60s -Forests Getting Younger and Shorter
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【英文听力】Scientific American 60s
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【英文听力】Scientific American 60s -Hard to Beat Feet for Fostering Fungus
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【英文听力】Scientific American 60s -Koala Owes Deep Voice to Oddball Anatomy
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【英文听力】Scientific American 60s -Smartphone App System Locates Snipers
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【英文听力】Scientific American 60s -Isolated Reservoir Holds Ancient Water
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【英文听力】Scientific American 60s -Whales Teach One Another Hunting Skill
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【英文听力】Scientific American 60s -Burying Coal Ash for Good
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【英文听力】Scientific American 60s -Invasive Ladybug Thanks Its Parasite for Competit
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【英文听力】Scientific American 60s -How Jupiter's Red Spot Stays Great
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【英文听力】Scientific American 60s -Apple a Day Could Keep Statins Away
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【英文听力】Scientific American 60s -Dog Dust Protects Rodent Respiration
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【英文听力】Scientific American 60s -India Targets Red Planet
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【英文听力】Scientific American 60s -Ozone Hole History Offers Climate Lesson
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【英文听力】Scientific American 60s -Poker Players' Arms Give Away Their Hands
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【英文听力】Scientific American 60s -Snapchat Makes Messages Disappear
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【英文听力】Scientific American 60s -Say I Saw ISON
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【英文听力】Scientific American 60s -Video Game Play Sharpens Elderly Minds
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【英文听力】Scientific American 60s -Polled People Ponder Whither Wearable Tech
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【英文听力】Scientific American 60s -We Are More Likely to Lie in the Afternoon
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【英文听力】Scientific American 60s - Clothing Fabric Could Contain Gadget Batteries
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【英文听力】Scientific American 60s -Physicists Tackle Voiding Urination Splash-Back
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【英文听力】Scientific American 60s
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【英文听力】Scientific American 60s -Gap Grows between Wanting and Working
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【英文听力】Scientific American 60s -Valley Boys Now Make Statements Sound Like Quest
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【英文听力】Scientific American 60s -In Bee Shortage, Bubbles Could Help Pollinate
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【英文听力】Scientific American 60s -Whistleblowers, Courts Reveal Surveillance Secret
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【英文听力】Scientific American 60s -Early Land Animals Lacked Good Bites
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【英文听力】Scientific American 60s - Resurgence of Swaddling Brings Hip Fears
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【英文听力】Scientific American 60s -Vitamin C Kills TB Cells
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【英文听力】Scientific American 60s -Invention Could Scope Out Counterfeit Drugs
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【英文听力】Scientific American 60s -In Emergency, Smartphone Might Not Know Your