Get worse; fall back to a previous or worse condition.

退步；退回以前的或恶劣的情形。

After a brief rally share fall back to a new low.

股票经过一次短暂回升后回落到一个新的低点.

If the rocket does not reach this speed, it will fall back to the earth.

如果达不到这个速度， 火箭会落回地球。

All fighters disengage Shadow Device and fall back to Space Station Liberty.

所有战斗机解除阴影装置,撤回“自由”号太空站.

The airborne clots become cinders which fall back to earth to form cinder cones.

机载凝块成为灰烬的回落到地上,形成渣锥.

What frightens me worse is that their space station will probably fall back to earth in a matter of days.

我更害怕是他们的空间站可能会掉到地球上砸到花花草草。

You could try some guesses, for example, and maybe just fall back to image/jpeg if you don't know the type.

比如，您可以尝试做一些猜测，如果不知道类型的话，那么可以回到以前的图像/jpeg。

I found some common threads that back up the results of other studies that indicate how easy it is to fall back to a comfort zone, whether we realize it or not.

无论我们是否认识到这一点，学生们非常容易退回到他们的舒适地带，关于这一点，我找到了一些普遍因素。

Shenton's critics, it should be pointed out, can fall back on spherical trigonometry and astronomical observations that date right back to Aristotle in 330BC.

有必要说明一下，早在公元前300年的亚里士多德时期，那时的球面三角学和天文观测结果就批驳了珊顿的地平论观点。