我意识到，扶手不会脱落，这意味着我们再也无法更换电源供应和维修仪器，这意味着科学家们再也无法观察宇宙，在其他星球上寻找生命。

I realized that the handrail would not come off, which meant we could no longer be able to replace the power supply and repair that instrument, which meant scientists could no longer look at the universe and find life on other planets.

youdao

大气的情况常使人们无法观察星星。

Atmospheric conditions often prevent observation of stars.

youdao

既然看到的是不是我的经营是无法观察的程度差异，在运动中的线夹。

Since the saw was not operating I was unable to observe the degree of difference in the movement of the clamps.

youdao

but it's not invisible if we mean definition No. 2 can't be sensed. Can't be observed.

但如果取第二个定义它就不再无形2,无法感知，不能观察。

耶鲁公开课 - 死亡课程节选

for he meant actually that we will never observe gravitational waves.

他的意思其实是我们永远无法观察引力波。

以爱因斯坦为榜样 - SpeakingMax英语口语达人

And the question for the theorist is to show how this two can be combined should be combined and how with sensitivity to both You can perceive things that you don't otherwise.

理论家面临的问题,就是要展示这两者是能够相结合的,应该结合起来，结合时要考虑到二者的感受,你除此之外无法观察到事物。

麻省理工公开课 - 电影哲学课程节选