Design features of language Secondary onomatopoeia: Certain sounds and sound-sequences are associated with certain sense: /sn/may express three types of experiences: a).“"breath-noise”:snif(嗅)，snuf(闻)，snore(打鼾)，snort (哼鼻，喷气) b).“quick separation or movement":snip(剪去)，snap(折 断)，snatch(抓取). c).“creeping'':snake,snail(蜗牛)，sneak(潜行)，snoop(窥 探)Design features of language • Secondary onomatopoeia: Certain sounds and sound-sequences are associated with certain sense: /sn/ may express three types of experiences: a). “breath-noise”: sniff (嗅), snuff (闻), snore (打鼾)，snort (哼鼻，喷气) b). “quick separation or movement”: snip (剪去), snap (折 断), snatch (抓取). c). “creeping”: snake, snail (蜗牛), sneak (潜行), snoop (窥 探)