留学期间常用词汇
三年纪的英语老师张利从今天起请病假 1 周，通知 1,2 班的同学一班周一 3,4 节的英语课调
人口增长与计划生育（膨胀的人口和计划生育） 对于节育方法的需求已相当发达最近，随着许多妇女的愿望
Happiness is dependent upon work. Sometimes we c
Nowadays, as the development of high technology,
If people are asked which place produces the mos
When talking about America, the first thing we t
Smoking It is almost known to all that smoking i
