The conference was prolonged for another two days.

会议延长了两天。

He must remain in bed for another two days.

他必须再卧床两天。

They crossed the desert for another two days in silence.

他们又默默地走了两天。

Your must take some medicine and stay in bed for another two days.

你得吃点儿药,再卧床休息两天.

Your son must remain in bed for another two days. He can get up for about two hours each day, but you must keep the room warm.

你儿子还必须卧床两天，他每天可以起来活动两个小时，但是你得保持房间暖和。