get
darkadjective
What time does it get dark in the summer?夏季天什么时候黑?
I think we ought to turn around and go back now, before it gets too dark.
We'd better finish stacking this wood before it gets dark.
SMART Vocabulary: related words and phrases
Darkness & becoming dark
blackness
darken
darkened
darkness
dim
dimly
dimness
dingily
dingy
inky
pitchy
plunge someone/something into darkness
semi-darkness
shade
shaded
shadily
shadow
silhouette
silhouetted
twilight