她记得在什么地方听说过一百多年前手工制作的圣诞贺卡。
She remembered hearing somewhere about Christmas Cards that were made by hand over a hundred years ago.
据英国广播公司报道，科学家制作出了号称世界上最小的圣诞贺卡。
Scientists have produced what they believe is the world's smallest Christmas card, BBC reported.
这张圣诞贺卡是由英国格拉斯哥大学的纳米技术科学家制作的，它是如此之小，其面积仅为200x290微米，只相当于一张普通邮票的8276分之一。
It was created by nanotechnologists at the University of Glasgow. It is so small that it could fit on to the surface of a postage stamp 8,276 times.
这张圣诞贺卡是由英国格拉斯哥大学的纳米技术科学家制作的，它是如此之小，其面积仅为200x290微米，只相当于一张普通邮票的8276分之一。
It was created by nanotechnologists at the University of Glasgow. It is so small that it could fit on to the surface of a postage stamp 8,276 times.
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