preferably on an empty stomach

preferably on an empty stomach on an empty stomach 的on可不可以改成with i exercise with an empty stomach与i exercise on an empty stom take three caplets twice daily on an empty stomach 是一天两次,一次三 智力题 How many eggs can a man eat on an empty stomach? don,t exercise on an empty stomach because it can cause head My boy,don't exercise _____ an empty stomach. An empty stomach is not a good political advisor.这句话怎么解释,什么情 happiness does not ofen come with an empty stomach 中文意思 They had to go to bed with an empty stomach as they failed t on full stomach是什么意思? An empty street An empty house