slump

v.陷落，坍塌；弯曲，垂头弯腰地走；(物价等)下跌，(经济等)衰落

slow-witted, slow-worm, slowcoach (Brit) (US `slowpoke), slowdown, slowly, slowness, SLR, sludge, slue, slug, sluggard, sluggish, sluggishly, sluggishness, sluice, slum, slumber, slumberer, slumberous, slummy, slung, slunk, slur, slurp, slurry, slush, slush fund, slushy, slut, sluttish, sly, slyly, slyness, smack, smacker, smacking, small, small arms, small change, small talk,