Always enter or leave a helicopter from a forward direction.

【forward】一定要从侧前方上下直升机。

This means that there can be no important difference between the forward and backward directions of imaginary time.

这意味着虚时间的向前和向后方向之间没有重要区别。

Yet there is a big difference between the forward and backward directions of real time in ordinary life.

然而，在日常生活中，实时的向前和向后方向有很大的不同。

To summarize, the laws of science do not distinguish between the forward and backward directions of time.

总而言之，科学定律不区分时间的向前和向后方向。

With subterranean rumblings Queenie jogged slowly down the drive and turned into the street, where Luster exhorted her into a gait resembling a prolonged and suspended fall in a forward direction.

伴随着地下的隆隆声， 奎妮慢慢地沿着车道慢跑， 然后拐进了街道， 勒斯特劝她采取一种类似长时间悬空向前坠落的步态。