Persist in progress and oppose retrogression !

坚持进步, 反对!

This represents an apparent reversal of previous US policy.

这标志着美国政策的明显。

These new restrictions on medical research will undoubtedly put the clock back (by) 20 years.

这些新禁令将会毫无疑问使医学研到20年前的状态。

The horse shied at the loud noise and threw its rider.

那匹马听到响声吓得向后, 把骑手摔下来。

The car backed through the gate.

车子着开出大门。

The car reversed out.

汽车出去。

The horse backed suddenly.

马突然向后。

I wish I could put the clock back and relive my schooldays; I regret not having tried harder and passed more exams.

望时光能够回去，可以重新去过学生时代的生活。后悔当初不够努力，没有通过更多的考试。