明暗瓶法light and dark bottle technique
眼圈晦暗dark rings around the eyes
入射光暗视场和明视场显微镜dark field and bright field incident light microscope
黄昏以后after dark
暗金黄色dark goldenrod
暗洋红色dark magenta
乌梅dark plum
爆冷门producean unexpected winner; a dark horse bobbing up