The lights were off in the bedroom and the door was shut making the room very dark indeed, but still I could see a little bit.

卧室里的灯是关着的，紧闭的房门使整个房间更是漆黑一片，不过，我多少还是能够看到点。

youdao

Indeed, our species sees very well in the dark, and hunts primarily at night to sustain our physical form.

确实，我们的物种在黑暗中也能看得很清晰，并且主要在晚间狩猎来维持我们的物理形态。

youdao

Since dark matter is very massive indeed (there is about six times as much of it around as there is visible matter) it makes good gravitational lenses.

ECONOMIST: Cosmology: I spy with my little gravitational lens | The