smog

n.烟雾

smell about, smell of, smell out, smelliness, smelling-salts, smelly, smelt, smidgen (also smidgin), smile, smile at sb., smile on, smirch, smirk, smite, smith, smithereens, smithy, smitten, smock, smocking, smoke, smoke-bomb (also `smoke-grenade), smoke-screen, smoke-stack, smokeless, smoker, smokiness, smoking, smoking-jacket, smoking-room, smoky, smolder, smooch, smooth, smooth out, smooth over, smooth-tongued (also ,smooth-spoken), smoothie (also smoothy), smoothly, smoothness,