first和 at first之间有什么区别

1个回答

  • first adj.序数词 第一的

    Example:He was the first student who arrived at the classroom.

    adv.首先First I fed the baby.Then I made myself a sandwich.

    at first是一个介词短语在句中充当状语首先At first I was nervous,but I soon started to relax.

    通常可互用,但有差别,需查词典体会.