"The dusky night rides down the sky/And ushers in the morn" "the twilight glow of the sky" "a boat on a twilit river"
"a dark-skinned beauty" "gold earrings gleamed against her dusky cheeks" "a smile on his swarthy face" "`swart' is archaic"
The immature Blue-faced Booby is dusky-brown with a white belly.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)