这纳米大小的金砖是附属于黄铁矿的，极其少量的金子对于早期勘探者来说是根本上难以发现的，因此卡林黄金矿床的开采也一直到1961年才启动。
The nanometer sized nuggets of gold are attached to pyrite. The tiny grains of gold were too small to be noticed by early prospectors, so mining of the Carlin gold didn't start until 1961.
但是纳米专家们已经展示了一种极小的圣诞卡，在一枚平信邮票上就能放超过8000个！
But nanotechnology experts have unveiled a Christmas card so small that more than 8, 000 of them could fit on a first-class stamp.
非洲的纳米比亚沙漠和智利的阿塔·卡马沙漠都是沿海沙漠。
The Namib desert in Africa and the Atacama desert in Chile are examples of coastal deserts.
应用推荐