重点讲解：
1. get back
取回；找回；收回；
eg. You have 14 days in which you can cancel the contract and get your money back.
你可在14天之内取消合同，收回钱款。
eg. The teacher said the only thing left was to get back all the disposable cups later.
老师说唯一要做的就是等一下把所有的一次性纸杯收回来。
2. pick out
挑出；选出；拣出；
eg. I pick out my classes and register for the next semester.
我为下学期选课并注册。
eg. Ideally, you could go online, pick out what breed you want, and it would come to your door with a red bow on it.
最理想地是，你可以在网上挑选你想饲养的宠物，它会带着一个红色的蝴蝶结来到你的门前。
3. stare at
凝视；盯着看；
eg. He stares at the beggar with sympathy.
他同情地凝视着那个乞丐。
eg. I would sit there for hours and stare at my reflection.
我可以坐在那里几小时，盯着我自己的倒影。
