有一种动力是技术动力。

One kind of momentum is technological momentum.

youdao

有一种很强大的初动力——比恒定状态时的力要大五倍。

There was a huge initial force—five times larger than the steady state force.

youdao

考虑到技术承诺，这也是到了蓄电池靠边站的时候了。城里有一种新的混合动力车。

Given the technology's promise, it may be time for batteries to stand guard. There's a new hybrid in town.

youdao

We'll revert especially to the notion of "pushing" in other contexts later in the course, but for the moment you can see the way in which there is a tension between that which pulls and that which pushes which is one of the motive forces of the story.

以后我们会在,其他作品中回归“推“的本意，但是现在我们能看得出来,在推和拉之间有一种张力,这也是整个故事发展的动力之一。

耶鲁公开课 - 文学理论导论课程节选