蒋健棠英语广播 Episode132:couch potato的由来

（单词翻译）

1. origin,起源,由来,起因。
eg：What was the origin of the quarrel?
这场争吵的起因是什么?

2. tummy,肚子,胃。
eg： He had slept through his usual bedtime snack, and his rumbling¹ tummy sort of distracted him.
他还没有吃睡前小点心就睡着了，隆隆响的肚子有点分散他的心思。

3. end up,最终成为，最后处于 ；注意end up后不能直接跟动词或动词片语，要把后面的动词改成动名词。
eg：If you go on like this you will end up in prison.
如果你继续这样，早晚得进监狱。