first和at first的区别?

3个回答

  • first有四个词形:adj.adv.n.pron.这里主要谈adj.和adv.

    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.

    补充一个firstly 修饰句子的副词 首先

    The plan was not practical,firstly because of the cost,and secondly because local people did not support it.

    通常可互用,但有差别,需查词典体会.