首先：作文字数?
其次：大概什么年级?
与游泳有关的词汇包括：swimming natation bathing swam swum have a swim take a bathe have a bathe形容开心的词汇：
to feel happy to have a great time to make fun of somebody interesting fascinating amusing rich as good as a play divertingness get into the groove yippee cheeriness be in the groove.最后：怎么开心?有朋友家人陪伴,有欢声笑语.、、、写完了。你辛苦了！