常見(jiàn)例句用作形容詞 (adj.)She is the first case of human infection reported in the Horn of Africa.她系非洲之角報(bào)告的第一例人感染病例。It is the first time an entire ovary has been transplanted and resulted in a live birth, the researchers said.研究人員說(shuō)這是第一例進(jìn)行整個(gè)卵巢移植并成功受孕的。 返回 first-ever