游泳课的英文：swimming lesson.
swimming：n. 游泳; 游泳运动;
lesson：n. 一节课; 一课时; 课; 教学单元; 经验; 教训;
相关介绍
It was the quickest swimming lesson I'd ever witnessed.
这是我所见过的最速成的游泳课。
The experiment on grading standards of the public swimming lesson in general colleges guangdong province
广东省普通高校游泳普修课评分标准的实践研究
The meeting clashed with my swimming lesson so I could not go.
会议同我的游泳课在时间上冲突，所以我不能去了。
I forgot to bring my bathing suit for my swimming lesson.
我忘了带游泳课要用的泳装了。
It was time for a swimming lesson, but Doodle said he was too tired.
是上游泳课的时候了，但是嘟嘟说他太累了。
