somber

adj. 昏暗的,阴天的,阴森的,忧郁的

soliloquy, solipsism, solitaire, solitarily, solitary, solitary confinement, solitude, solo, soloist, solstice, solubility, soluble, solution, solution to, solvable, solve, solvency, solvent, solver, somatic, sombre (US somber), sombrely, sombreness, sombrero, some, somebody, someday, somehow, someone, someplace, somersault, something, something else, something like, something of, sometime, sometimes, someway, somewhat, somewhere,