darken

v. /ˈdɑːr.kən/ B2

变暗；使变黑

To become dark or make something darker.

仙境例句

The hall darkened as Alice's head grew up among the lamps on the roof.

爱丽丝的脑袋长到了屋顶的灯中间，大厅一下子暗了下来。