用“freestyle relay”造句大全，freestyle relay造句
Ning won four gold medals: 50-meter freestyle, 100-meter freestyle, 4x100m freestyle relay, and 4x100m medley relay.
In the track and field events, a women's 5000 metres and triple jump have been added, and in the swimming a new event is the women's 4x200 metres freestyle relay.
His diet certainly did not slow him down on the way to a pair of world records (in the 4x100 meter freestyle relay and 200-meter backstroke).
Michael Phelps, 23, goes for two more gold MEDALS, Wednesday, when he swims in the finals of the 200-meter butterfly and 800-meter freestyle relay.
