用the都是特指.中国第二长河,大家都知道,肯定是特指.a second, 比如说,Marie Curie became the first person to be awarded a second Nobel Prize,是非特指.
second 前什么时候用a什么时候用the
用the都是特指.中国第二长河,大家都知道,肯定是特指.a second, 比如说,Marie Curie became the first person to be awarded a second Nobel Prize,是非特指.