in bed ,in the bed 的区别

问题描述:

in bed ,in the bed 的区别

in the bed:睡着了,或者是躺在床上,特别是在床上呆了一阵子了.(因为英英字典的解释是:after a very lengthy period of time)
in bed:躺在床上.当和 ill 连用时候才指“抱病在床”.例子:He is ill in the bed.