first-ever

• adj. 第一例

first-ever的用法和样例：

例句

用作形容词 (adj.)

1. She is the first case of human infection reported in the Horn of Africa.
   她系非洲之角报告的第一例人感染病例。
2. It is the first time an entire ovary has been transplanted and resulted in a live birth, the researchers said.
   研究人员说这是第一例进行整个卵巢移植并成功受孕的。