他必须卧床一周
stay in bed───卧病在床，卧床；呆在床上；在床休息；呆在床上，卧床休息
must he───他一定要吗
he bed───他上床了
for a week───一个星期
in a week───在一周内
in a bed───在床上
stay on bed───卧床休息
go for a week───去一个星期
week in───周
He has a bad cold, Mr Williams, so he must stay in bed for a week.───他得了重感冒，威廉斯先生，加此，他必须卧床一周。
He has a bad cold, Mr. Williams, so he must stay in bed for a week.───他得了重感冒，威廉斯先生，因此他必须卧床一周。
He must stay in bed for a week.───他必须呆在床上一周。
He has a bad cold, Mr William(Williams). So he must stay in bed for a week.───他得了严重感冒，威廉先生。所以他必须在床上躺一个周。
He has a bad cold, Mr. Williams, so he must stay in bed for a week.───他得了重感冒，Williams先生，因此他必须卧床一周。
He has a bad cold, so he must stay in bed for a week.───他得了重感冒，所以他必须卧床一周。
He has a bad cold, MR, W so he must stay in bed for a week───他得了重感冒，因此必须躺在床上一周