本集核心英语单词及例句：

1.culture (n.)文化，文明
It is impossible to dissociate language from culture.
把语言与文化分离是不可能的。

2.familiar (adj.)熟悉的；通晓的
I liked to meander through familiar streets.
我喜欢漫步着穿过熟悉的街道。

3.gesture (n.)姿态；手势
Her refusal was merely a deliberate gesture.
她的拒绝只是故作姿态。

4.excited (adj.)兴奋的；激动的
We were all excited by the news.
我们都为这消息感到兴奋。

5.direction (n.)方向
A bat echolocates the direction.
蝙蝠凭回声测定方向。

6.boil (n.)煮沸，沸腾
Keep the kettle at the boil.
使水壶里的水保持沸腾。

7.weird (adj.)怪异的；不可思议的
Why do you decide to marry such a weird person?
你为什么决定嫁给一个那么怪异的人？