这时你会注意到你在其它时候注意不到的一点：蟾蜍大约生着一切生命体中最美丽的眼睛，像金子一般，或者更准确地说，像金色的半宝石一般，就是有人会镶嵌在图章戒上、我想是叫作金绿玉的那种。

It is like gold, or more exactly it is like the golden-coloured semi-precious stone which one sometimes sees in signet-rings, and which I think is called a chrysoberyl.

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“这其中有三个最关键的挑战，”他说，“找到正确的玻璃，对玻璃进行热塑型，还有找到一种不寻常的方法来镶嵌玻璃。”

"There are three key challenges," he says, "finding the right glass, thermally shaping the glass and finding an unusual way to mount the glass."

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他说，狗嘴里镶钛牙的唯一的理由，只能是因为牙科医学上的原因，“如果狗牙断掉了，也可以像人的牙齿一样，作一个牙冠镶嵌在上边。”

The only reason to have titanium teeth? Medical reasons, he says, like "if a dog breaks a tooth... it's the same as a crown for a human."

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