Lesson 74 You Ought to Learn to Swim
第七十四课　你应当学习游泳
Do you know how to swim?
亚当:你知道怎么游泳吗？
No, I don't.
夏娃:不，我不知道。
You ought to learn.
亚当:你应当学习。
Why?
夏娃:为什么？
Well, maybe you'll have to save me one day.
亚当:嗯，也许有一天你将必须救我。