Definition: completely dark Level: C2
在冬天，5点天就全黑了。
In winter, it was already ___pitch-dark by 5.
我们出发时天已漆黑，很快就在蜿蜒的小径中迷了路。
It was ___pitch-dark when we set out, and we quickly got lost among the winding paths.
没有月亮和星星，日落之后森林变得一片漆黑。
With no moon or stars, the forest became absolutely ___pitch-dark after sunset.
