重点讲解：
1. carry out 实施；执行；实行；
例句：He balked me to carry out my plan.
他阻止我实施我的计划VD_Q;jDWCAJpW0T。
2. in contact with 有联系；接触；
例句：They compared how these organisms behaved when left in contact with different materials.
他们比较了与不同材料接触时这些生物体的反应aV,XNE09%~3l!。
3. in terms of 在…方面；从…角度看；根据…来说；
例句：The book is well organized in terms of plot.
这本书的故事布局十分严谨#&oY)-L|[y%。
4. due to 由于；因为；
例句：Some students quit school due to poverty.
一些学生因贫困而辍学F]83AKm|+3n。
5. in contrast to 与…截然不同；与…对比鲜明；
例句：His public statements have always been in marked contrast to those of his son.
他和他儿子在公开场合的言论总是截然不同;AuH!W(6tF5-*PK。
6. lag behind 落后；赶不上；
例句：It often happens that thinking lags behind reality.
思想落后于现实的事是常有的Vx*k3&qOF4S3]%^mW。