in bed和 in the bed有什么区别?in class和 in the class有什么区别?

in bed和in the bed有什么区别? in bed 和in the bed有什么区别? 短语ni bed 和 in the bed 有什么区别 in bed 和on the bed stay in bed 和stay in the bed 有什么不同?可以是stay on bed on bed ,on the bed,in bed ,in the bed有什么区别最好详细一些 be in bed 和be in the bed的区别~ stay in bed 和stay in the bed的区别 stay in bed 和stay in the bed in bed ,in the bed 有何区别? in bed /on bed /in the bed /on the bed之间有什么区别?快特别强调on bed, in bed ,in the bed 的区别 in bed和 in the bed有什么区别?in class和 in the class有什么区别? in the bed/in bed/on the bed的区别 on the bed, in the bed, in bed有何区别? in the bed 和in bed 有什么区别吗?(so do in the hospital and in hospitai.) Living In the bed in hospital和in the hospital 还有in bed 和in the bed的区别