pull back on的意思|示意

A key question for the fate of the universe is whether or not the pull of gravity is strong enough to ultimately reverse the expansion and cause the universe to collapse back on itself.

关乎宇宙命运的一个关键问题在于：引力是否足够强大，最终扭转膨胀的趋势并导致宇宙坍塌回去。

She had the group rock on their toes and swing their arms. She had them entwine their fingers and pull them back out, quickly, many times.

她指挥人群踮起脚趾挥动手臂，让他们交叠手指然后反复、迅速地收缩回来。

On her drive back to college, she'd suddenly broken into a cold sweat and had to pull over to vomit.

当她开车回到大学，她突然出了一身冷汗，然后猛地呕吐起来。

Evidence that the embattled US consumer is starting to pull back on spending mounted yesterday after new data revealed that retail sales fell last month.

昨日最新数据显示，美国上月零售有所下降，处于困境的美国消费者开始紧缩支出的证据进一步增强。

I learned to carry my master on my back and pull a coach.

我学会了背主人，拉马车。

Don't yell instructions or pull strongly on the REINS, as this may cause your horse to rear back.

不要大声喊叫或拉缰绳过猛以防止马儿惊吓而抬起背部。