Dialogue
J=Jick M=Mary
J: How many styles of swimming do you know?
J: 你知道几种游泳姿势？
M: I know there are freestyle, back-stroke, *-stroke, butterfly and dolphin.
M: 我知道有自由泳、仰泳、蛙泳还有海豚泳。
J: What's the advantage of freestyle?
J: 自由泳有什么好处？
M: Swimming freestyle can build your shoulder muscles.
M: 自由泳可以锻炼你肩部的肌肉。
J: It sounds great. Do you know the order of medley relays?
J: 听起来不错，你知道混合泳接力赛的顺序吗？
M: Yes. In medley relays, each swimmer swims one stroke for the set distance; the order is back-stroke, *-stroke, butterfly and freestyle.
M: 是的，在混合泳接力赛中，每位运动员以一种姿势游一定距离，顺序依次是斧正游泳、蛙泳、蝶泳和自由泳。
http://english.xuezhishi.net/groundwork/tongue/2007-09-28/24909.html
