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
暗洋红色dark magenta
乌梅dark plum
黑白瓶法light and dark bottle technique
爆冷门producean unexpected winner; a dark horse bobbing up
暗室，暗房dark room