ODD classes 和even classes是什么意思?

ODD classes 和even classes是什么意思? %odd和%even是什么意思 odd number和even number是什么意思 classes的中文是什么意思 after classes是什么意思? Classes over和Classes are over的区别 when didyou start English classes是什么意思? classes begin可不可以写成 begin the classes I run fitness classes at gyms and leisure clubs 是什么意思 what classes do you have in the morning是什么意思? How many classes does Amy have every day?是什么意思 what classes do you have on Friday?是什么意思