第1个回答 2012-04-11
swam [swæm]
基本翻译
v. 游泳(swim的过去式)
网络释义
swam:游泳 | Summer With A Mission
第2个回答 2012-04-11
swim的过去式是:swam 如:I swam with friends yesterday.
过去分词是:swum 如:He has swum this river for three times.
现在分词是:swimming
第3个回答 2012-04-11
swim_swam(过去式)-swum9过去分词)