重点讲解：
1. cut up
切碎；
eg.Please cut up the vegetables very fine.
请把蔬菜切成碎末。
eg. I cut up the meat for cooking meat ball.
我把肉剁碎后做肉丸子。
2. depend on
取决于；根据；由…决定
eg. I tend to have a different answer, depending on the family.
根据家庭的不同，我往往会给出不同的答案。
eg. People in the rest of the country celebrated independence even later, depending on when the news of Congress's action reached them.
该国其他地区的人们庆祝独立的时间甚至更晚，这要取决于有关国会决定的消息何时传到了他们那里。
3. warm up
加热；使暖和；变暖和
eg. He blew on his hands to warm them up.
他冲着双手哈气，好让手暖和些。
eg. All that she would have to do was warm up the pudding.
她所需要做的就是把布丁加热。
