slot

n.投币孔；口

slithery, sliver, sliver-grey, slob, slobber, slobbery, sloe, sloe-gin, slog, slog (also slug), slogan, slogger, sloop, slop, slope, sloppily, sloppiness, sloppy, slosh, sloshed, slot-machine, sloth, slothful, slothfully, slothfulness, slouch, slouch hat, slouching, slouchingly, slough, sloven, slovenliness, slovenly, slow, slow down, slow lane, slow motion, slow up, slow-down, slow-witted,