The fourth step: reduction of hand exercises.
第四步：还原手发练习。
You have to hand in your exercises.
你必须把练习题交上来。
Patients will be randomly divided into two groups. In one group, the hand robot will assist in the limb exercises.
病人将随机分为两组，一组有手部机器人辅助肢体练习，第二组也会使用机器人，而且机器人会由程序控制，提供更高层次的帮助。
You must hand in your exercises this afternoon.
今天下午你们必须交上作业。
The teacher desired that all the exercises (should) _be_handed (hand) in before school was over.
老师要求所有练习放学前交上来。
Let's hand in the exercises earlier so that the teacher may have time to correct them.
让我们早点把练习交上，以便老师有时间来批改。
I'm still getting a feel for how many exercises I want to work through by hand.
我还是生发了一种感觉，我要亲手做许多的练习题。
The teacher urged us to hand in our exercises.
老师催促我们交作业。
Could you tell me when we should hand in our exercises?
你能告诉我什么时候我们交练习题？
Yoga, martial arts, meditation, and many other activities use breathing to focus our energies on the task at hand. See what some breathing exercises can do for you and your fitness goals.
瑜伽，武术，冥想和许多其它运动都利用呼吸，将注意力集中于所做的运动，看一看呼吸练习对您和您的体能目标有何作用吧。
If you have done your exercises, please hand them in.
如果你们练习做完了请交来。
You are to hand in the exercises tomorrow.
你们明天必须交练习。
"Why didn't you hand in your exercises?" asked the teacher.
老师问：“你们为什么没有把练习交上来？”
Such exercises may focus on a specific aspect of the greater design problem, but are not necessarily linked to the main task at hand.
这样的联系可以聚焦于更大的设计问题的某个具体方面这样的练习可以聚焦于更大的设计问题的某个具体方面，但是不一定非要与手上的主要任务相关联。
Must we hand in our exercises today ?
我们今天必须交作业吗？
Hand in your exercises please.
请把作业交上来。
The exercises are organised in the same order as the units of English Grammar in Use, and the numbers of the relevant English Grammar in Use units are shown in the top right- hand corner of each page.
本书中的练习的编排顺序与《剑桥中级英语语法》相同，在每页的右上角处标有与本练习相应的《剑桥中级英语语法》一书中的内容所在的单元号。
Must we hand in our exercises today?
我们必须今天交作业吗？
Must we hand in our exercises today?
我们必须今天交作业吗？
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