do exercises什么意思还有science field trip )(study a farmer's work

we do morning exercises什么意思 do exercises什么意思还有science field trip )(study a farmer's work do morning exercises意思 do some exercises 中文意思 SC结构什么意思 sc什么意思 sc什么意思 do morning exercises的中文意思 do exercises 是什么意思,还有其它方式表示吗? do exercise和do exercises有什么区别? 英语：do exercise 和do exercises 有什么区别? It doesn't help very much if you do exercises once in the blue moon.什么意思,谢谢 do exercises与take exercise二者区别,意思 英译汉:do some exercises do morning exercises是什么意思? exercises啥意思? exercises啥意思 when do you ----mouring exercises?选择填什么?A.go B.play C.do