重點講解：
1. carry out 實施；執行；實行；
例句：He balked me to carry out my plan.
他阻止我實施我的計劃VD_Q;jDWCAJpW0T。
2. in contact with 有聯系；接觸；
例句：They compared how these organisms behaved when left in contact with different materials.
他們比較了與不同材料接觸時這些生物體的反應aV,XNE09%~3l!。
3. in terms of 在…方面；從…角度看；根據…來說；
例句：The book is well organized in terms of plot.
這本書的故事布局十分嚴謹#&oY)-L|[y%。
4. due to 由于；因為；
例句：Some students quit school due to poverty.
一些學生因貧困而輟學F]83AKm|+3n。
5. in contrast to 與…截然不同；與…對比鮮明；
例句：His public statements have always been in marked contrast to those of his son.
他和他兒子在公開場合的言論總是截然不同;AuH!W(6tF5-*PK。
6. lag behind 落后；趕不上；
例句：It often happens that thinking lags behind reality.
思想落后于現實的事是常有的Vx*k3&qOF4S3]%^mW。