stay in the bed /stay in bed 都可以意为呆在床上 stay in bed 表明在床上睡觉,强调睡觉这个动作 stay in the bed 表明在床上,不一定在睡觉,可以做别的事
待在床上,翻译成英文短语是:stay in the bed
stay in bed
stay in the bed