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人的一生中，将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时；即使成年后，每夭至少要睡 6～7小时。 不管睡眠时间长短如何，睡觉看来是人必不可少的行为。这一点
英语听力广播—Listening
CAPI Communication Application Program Interface 通信应用程序接口 carrier 载波，通信公司 CAS Call Accounting System 呼叫计次系统 CAS Channel Associated Signalling 随路信号方式
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This is Scientific American's Sixty-Second Psych. I'm Christie Nicholson. Got the minute? Say a teenager takes the car without permission and crashes it. Or pole jumps off a bridge into white water. Bruised, broken or worse, arrested, the first words
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AUDIE CORNISH, HOST: When a toddler gets angry, it's not unusual to see hitting, stomping or biting. That's because of what's happening in the child's brain. It's just beginning to develop the circuits that control impulsive behavior. Now scientists
2017年NPR美国国家公共电台5月
Leslie: This keyboard is so hard to use. I cant find where anything is! Dave: Its a standard QWERTY keyboard. The layout may be a little different, with the function keys on the right-hand side instead of on the top, but youll get used to it in no ti
地道美语播客
In ancient Greek mythology, Medusas gaze turns onlookers to stone. Yang Shuo, a junior software major at Wuhan University, can crush fruit in the Fruit Ninja game simply by moving his eyes. The 21-year-old and his teammates recently developed a mask
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