Lucy:Dan’s a good swimmer, isn’t he?

露西：丹很会游泳，是不是？

Lewis:Yes. In fact, he’s a lifeguard.

路易斯：是啊。事实上，他是个救生员。

Lucy:Wow! Can he teach me the butterfly and the backstroke?

露西：哇！他能教我蝶泳和仰泳吗？

Lewis:Yes. He can also teach you the freestyle and the breaststroke.

路易斯：能。他还能教你自由式和蛙式。