I left very early last night, but I wish I hadn't left so early.
我昨晚离开得非常早,但我希望我没有离开那么早。[大学英语六级]
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.
一旦我们找到这样一颗行星,我们就要想办法将它的恒星射过来的光线遮暗,这样我们就能彻底“看见”这颗行星,并分析它的大气层。