1.上颌犬牙
1.a canine tooth found on each side of the upper jaw
1.I'd give my eyetooth to look like her.
我愿意不惜一切地模仿她。
2.An eyetooth for an eye: A rare transplant restores sight to blinded woman
以牙还眼:罕见移植手术使盲妇人重见光明