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Pesticide Additive Could Be One Culprit in Bee Deaths 农药添加剂是蜜蜂死亡的一大诱因 Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.and beekeeper
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London Exhibit Shows Advances in 3-D Printing 伦敦科技展显示3D打印技术进步 WASHINGTON A technology known as 3-D printing, or additive manufacturing, has long been used for producing prototype models of three-dimensional objects. A new ex
VOA标准英语2014年(九月)
Showing a visitor around 带领来宾参观 A: OK, so this is the main factory area. We're now walking past the printing machine. A:好，这是工厂主区。我们现在正经过印刷机。 It's printing in four colours at the moment. 当前能用四
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Last year in the US, they helped Amazon prepare and ship all the products required for Cyber Monday, 去年在美国，机器人帮助亚马逊发货，以应对网络星期一带来的 the annual peak of online retail. 年度线上零售消费高峰。
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伦敦科技展显示3D打印技术进步 WASHINGTON A technology known as 3-D printing, or additive manufacturing, has long been used for producing prototype models of three-dimensional objects. A new exhibit that opened in London Thursday shows how
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An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing
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