morning exercise是不可数的。morning exercise译为：晨练。
扩展资料
Morning exercise is good for work and study in a whole day.
晨练对一天的工作和学习都有好处。
Research on the Current Situation of Morning Exercise of College Students in Taian
驻泰高校大学生晨练现状的`调查研究
Analysis of 128 cases of traffic injury in morning exercise
晨练交通伤128例分析
A Case Study of Morning Exercise System and Enterprising Efficiency
高校早操锻炼制度与创业效能的实证探析
She said, I do morning exercise every day.
“她说：”我每天都进行晨练。
