本集核心英语单词及例句：

1.tongue (n.)舌头
This fish has teeth on its tongue.
这种鱼的牙齿长在舌头上。

2.elaborate (vi.)详尽说明；变得复杂
Can you elaborate on that?
您能详细阐述一下吗？

3.response (n.)反应；回答，答复
What was the government response?
政府的反应是什么？

4.against (prep.)反对
He warns against precipitate action.
他反对仓促采取行动。

5.feeling (prep.)感觉
Why did you have these feelings?
为什么你会有那些感觉？

6.physically (adv.)体格上，身体上
Stay active, physically and mentally.
身体上和精神上都要保持积极的状态。