一【重点单词】
1. impression n.
印象；感想；印记
1）固定搭配：
make/ leave an impression on sb. 给某人留下印象
be under the impression that... 觉得；以为
make no impression on 对……无影响/效果
give sb. a favourable impression给某人以好的印象
First impressions are most important. 第一印象最重要。
his impression of her=her impression on him 她给他留下的印象
