swum

动词 swim:

1. travel through water
   同义词：swim
2. be afloat; stay on a liquid surface; not sink
   同义词：float, swim

1. She holds the world record for long distance swimming.
   她保持着长距离游泳的世界纪录。
2. She's teaching the children to swim.
   她正在教孩子们游泳。
3. Anyone swimming in this lake does so at his own risk.
   任何人在此湖中冒险游泳，其后果自负。
4. She is no less good at swimming than Mary.
   她和玛丽一样擅长游泳。