Heterokeratoplasty
[醫] 異種角膜移植術
??? 情景例句
Thanks.
謝謝。
A man has his hour, and a dog has his day.
人有稱心時，狗有得意日。
It is said that a new policy is being put into practice in your foreign trade.
據說你們正在實施一種新的對外貿易政策。