丹很会游泳 露 西：丹很会游泳，是不是? 刘易斯：是啊。事实上，他是个救生员。 露 西：哇!他能教我蝶泳和仰泳吗? 刘易斯：能。他还能教你自由式和蛙式。 露 西：太棒了!

Lesson 64
Dan's a Good Swimmer
Lucy : Dan's a good swimmer, isn't he?
Lewis: Yes. In fact, he's a lifeguard.
Lucy : Wow! Can he teach me the butterfly and the
backstroke?.
Lewis: Yes. He can also teach you the free style
and the breaststroke.
Lucy: Great!