1. It dealt with man and his soul-gropings in their ultimate terms, plumbing the abysses of space for the testimony of remotest suns and rainbow spectrums.
    那诗写的是人和他的灵魂在终极意义上的探索，他探索着宇宙空间的一个个深渊，寻求着最辽远处的一个个太阳和一道道霓虹光谱。

2. Their clumsy gropings seemed meaningless to her.
    他们那种笨手笨脚的触摸似乎对她毫无意义。

3. Early scientific gropings with radar.
    早期利用雷达进行的科学探索。

4. At that time, I was not nearly so intimate with you as now, but already I sensed vaguely that no one in the world could respond more keenly to the deepest and most secret gropings of my soul.
    那时，我不像现在和你这样亲密，但我已经隐约意识到：对我灵魂深处那些极其深刻而秘密的探索的反应，这世上再没有人比你更敏锐了。