darker
🇬🇧/dɑ:kə/ 🇺🇸/ˈdɑːrkər/(of a color or object) not reflecting much light; approaching black in shade. "dark green"
adjective [比较级] 更暗的;更黑的;更深的(dark的比较级)
The days draw in and the mornings get darker. 天黑得越来越早,天亮得越来越晚。