I. key words and expressions
1. characteristic adj＆n
1) adj 典型的 独特的 独有的 →adv characteristically
Eg: She spoke with characteristic enthusiasm. 她说话带有特有的热情。
Characteristically, Helen paid for everyone. 海伦按照惯常的做法为每个人付了费。
2）n 特征，特点， 品质
Eg: The need to communicate is a key characteristic of human society. 需要交际是人类社会的一个重要特征。
Personal characteristics, such as age and sex are taken into account. 个人的特征，如年龄和性别等都要考虑进去。
【拓展】characterize/characterise v以…为典型；使具有特点
characterization/characterisation n 刻画，描绘，塑造
