Backward productivity

落后───backward;生产───production

The diver flipped over backward into the water.───跳水运动员向后翻转跳入水中。

The car passed over the body twice, once backward and then forward.───那辆车把那人来回轧了两次，先是倒着轧的，再是往前开着轧的。

The child is backward in his studies.───这孩子的学习成绩属下游.

All the actors know the play backward.───所有演员对剧本都熟知到可以倒背如流.

This country is going backward.───这个国家正在倒退。

At a certain age, it's not viable for men to take a backward step into unskilled work.───到了一定的年龄，就不可能再退回去干不需要技能的工作。

The rainy season is backward this year.───今年雨季来得晚.

We bent over backward to help them.───我们尽了最大努力帮助他们.