重点讲解：
1. chew up
细细咀嚼；嚼得稀烂；
eg. I took one of the pills and chewed it up.
我拿起一粒药丸，把它嚼碎。
eg. Dogs, It'seems, love to chew up money!
看起来，狗很喜欢咀嚼钱币。
2. appear to do sth.
好像；似乎；看来；
eg. Time would appear to be the significant factor in this whole drama.
时间似乎是整部剧中一个举足轻重的因素。
eg. You appear to submit quite cheerfully to this other sentence.
这另外一种刑罚，看样子你倒能欣然接受。
3. put down
放下；
eg. She put down the phone, sighed, and shook her head sadly.
她放下电话，叹着气，惋惜地摇了摇头。
eg. He put down his briefcase and asked her what was wrong.
他放下公文包，问她出了什么事。