swim与swum
swim 动词原形swam 动词的过去式swum 是 swim 动过去分词， 如： He has already swum in the swimming pool. 他已经在游泳池游完泳了祝你学习进步，更上一层楼！ (*^__^*) 不明白的再问哟，请及时采纳，多谢！
标签：swim,swum
2022-10-23 00:16:17 编辑：leo 浏览量：611次
swim与swum
swim 动词原形swam 动词的过去式swum 是 swim 动过去分词， 如： He has already swum in the swimming pool. 他已经在游泳池游完泳了祝你学习进步，更上一层楼！ (*^__^*) 不明白的再问哟，请及时采纳，多谢！
标签：swim,swum
