physical exercise 和physical exercises的区别是?何时用physical exercise,何时用physical exercises?

physical exercise 和physical exercises的区别是?何时用physical exercise,何时用physical exercises? physical,exercise怎么读 sport 和physical exercise 有什么不同,能分别举些例子吗? What is the purpose of doing physical exercise 求作文：Physical Exercise,不少80个单词 mental age 和physical physical和environmental的区别 我想问一下physical quantity和physical property的分别 Doing heavy jobs requires more physical ----(体力).So take more exercise! Taking regular什么exercise can keep you healthyA aloneB boringC excitingD physical It is good __us to do some physical exercise every dayA.of B.for physic ,physics 和 physical 的区别 physicas和physical的区别同上 P.E.is the short form of physical e. P.E.is the short form of physical e. P.E.is short _ physical education.填介词、 请根据自己学过的理解,用已学过的英语解释下列句子.1、My sister often did physical exercise before.My sister ______ ______ ______ physical exercise.2、The fish is still living.___________________________________________.3、Can Dou you think regular physical exercise is important?why?的英语对话AB 对话 不用太长6~8组