半搭拖车

美国科学60秒 SSS 2012-12-31

Archaeologys taking to the air. Researchers spent a month this summer testing a semi-autonomous unmanned aerial vehiclebasically a semi-autonomous dronehigh in the Andes in Peru. The goal: to scan a colonial town from the 1500s that had been built ov

发表于:2018-12-02 / 阅读(55) / 评论(0)

Scientific American(十二)月

John 约翰福音_Joh_21

John 约翰福音_Joh_21 1Afterward Jesus appeared again to his disciples, by the Sea of Tiberias. It happened this way: 2Simon Peter, Thomas (called Didymus), Nathanael from Cana in Galilee, the sons of Zebedee, and two other disciples were together. 3

发表于:2018-12-05 / 阅读(37) / 评论(0)

约翰福音

美国科学60秒 SSS 2013-01-02

This is Scientific American 60 second Science, I am Sophie Bushwick, Got a minute? Sharing is one of the hallmarks of human behavior: give me a cookie and Im more likely to give you one later. But our bonobo cousins have an odd variation on the pract

发表于:2018-12-24 / 阅读(38) / 评论(0)

Scientific American(一)月

流行美语 (Popular American) 327

李华早上起床，发现昨天晚上下了整整一夜的雪，足足有两英尺深，看来今天是出不去了。今天我们要学两个常用语：total和zapped of energy. (Knock on Li Hua's door, Li Hua opens it) LH: Larry! 这么大的雪你

发表于:2019-01-15 / 阅读(49) / 评论(0)

美国之音《流行美语》

艾伦脱口秀第166期:心有灵犀

I saw there are pictures of you with every... 我看到还有很多你的照片和每个... That' s my offices.You were in the bushes.That's my parking spot.That's amazing. 那是我的办公室你们去了灌木丛那是我的停车位真不错

发表于:2019-01-28 / 阅读(33) / 评论(0)

艾伦脱口秀

英语播客EnglishPod 229

A: Welcome back racing fans! My name is Rick Fields and, as always, I am joined by my partner in crime, Bob Copeland. B: Were in the last stretch of this very exciting race, and Kimi Rikknen is leading the pack with only four laps to go! They are hea

发表于:2019-02-23 / 阅读(47) / 评论(0)

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