本集核心英语单词及例句：

1.expression (n.)表现，表达；表情
Language is a means for the expression of thought.
语言是一种表达思想的方式。

2.remember (vt.)记得；牢记
I remember meeting you one evening at the Greenhill Theatre.
我记得有一天晚上在格林希尔剧场遇到你。

3.fairly (adv.)相当地；公平地；简直
She did fairly well on her English examination last week.
她在上个礼拜的英语考试中做得相当好。

4.perfect (adj.)完美的；最好的；精通的
His perfect performance impressed the audience.
他完美的表演给观众留下了深刻的印象。

5.exactly (adv.)恰好地；精确地
This medicine must be measured out exactly.
这种药必须准确按量配出。

6.wallet (n.)钱包，皮夹
Someone ripped off Ken's wallet at the train station last week.
在上一周，Ken的钱包在火车站被偷了。