impress
vt.给…以深刻的印象，使铭记;印，压印
Steve borrowed his dad’s sports car to impress his girlfriend.史蒂夫借来他爸爸的跑车向女友炫耀。
impression
n.印象，感觉;印记，压痕
Arriving late won’t create a very favourable impression .迟到不会给人很好的印象。
impressive
a.给人印象深刻的
Among the guests was an impressive array of authors and critics.
来宾中有为数甚多的作家和评论家。
improve
vt.改进，改善 vi.改善，变得更好
a course for students wishing to improve their English为想提高英语水平的学生开设的一门课
improvement
n.改进，增进;改进处
an improvement on earlier models对较早一批型号的改进
