Lucy:Dan's a good swimmer,isn't he? 丹很会游泳, 是不是? Lewis:Yes.In fact, he's a lifeguard. 是啊.事实上, 他是个救生员. Lucy:Wow! Can he teach me the butterfly and the backstroke? 喔!他能教我蝶泳和仰泳吗? Lewis:Yes.He can also teach you the free style and the breaststroke. 能.他还能教你自由泳式和蛙式. Lucy:Great! 太棒了!
