The train began to move backwards.
火车开始向后退。
Then the train began to move backwards.
这时火车却开始向后开动了。
This cursor includes all of the data and enables you to move through each of the records in the cursor, but doesn't enable you to move backwards.
这种游标包括所有的数据，并使您能够遍历游标中的每条记录，但不能向后移动。
Try the Tab key to move forward between fields and links, Shift + Tab to move backwards, and the arrow keys to change which items are selected in lists or radio button groups.
尝试使用Tab键在输入域和链接间切换，使用Shift + tab后退，以及使用箭头键更改列表或单选按钮组中选中项目的选择。
The wipers move backwards and forwards in front of them.
雨刷在他们面前往复摆动着。
It can do more than that. It can move backwards, forwards and sideways. It can also stay in the air without moving at all.
它能做的还不止这些，它还能向后、向前、向侧面飞，还能一动不动地停在空中。
When they leave our room, they don't simply turn around and walk out, but, to our delight, move backwards until they're out of the room.
最让我们感到惊喜的是，在服务生离开客房的时候，他并不是转身走出房门，而是始终面朝客人一步步退出房间。
It also records the beating of the heart and tells the robotic tool to move backwards and forwards. This could allow surgeons to operate with the chest closed.
这样，医生就能在患者的心脏依然跳动且胸腔不被打开的情况下进行手术。
It also records the beating of the heart and tells the robotic tool to move backwards and forwards. This could allow surgeons to operate with the chest closed.
这样，医生就能在患者的心脏依然跳动且胸腔不被打开的情况下进行手术。
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