重点讲解:
1. skimp on 草率地做;马马虎虎地做;节俭使用;节省;
例句:Many families must skimp on their food and other necessities just to meet the monthly rent.
就为了交齐每月的租金,许多家庭不得不省吃俭用 。
2. add to 添加;增加;掺加;
例句:The interest is added to your account every year.
利息每年都加到您的存款中 。
3. open up (使)(机会、可能性等)出现;(使)产生;
例句:Night hiking opens up a new world to visitors.
夜游则让游客置身一个全新世界 。
4. react to (作出)反应;回应;
例句:They say children will react to what they see.
他们说孩子会对他们看到的做出反应 。
n. 界线,屏障,栅栏,障碍物