单词	dimethylnitrosamine
释义	dimethylnitrosamine noun di·​meth·​yl·​ni·​tro·​sa·​mine ˌdī-ˌme-thəl-nī-ˈtrō-sə-ˌmēn  : a carcinogenic nitrosamine C2H6N2O that occurs especially in tobacco smoke Word History First Known Use 1965, in the meaning defined above Medical Definition dimethylnitrosamine noun di·​meth·​yl·​ni·​tros·​amine (ˌ)dī-ˌmeth-əl-(ˌ)nī-ˈtrō-sə-ˌmēn  : a carcinogenic nitrosamine C2H6N2O that occurs especially in tobacco smoke called also nitrosodimethylamine
随便看	tutti tutti-frutti tuttier tutties tuttiest tutting tutting (over or about) tutting over or about tuttis tutty tutu tutu Taglioni Tutuila tutuilan tutuilans tutus Tututni tututnis tutwork tutworkers tutworkmen tuva Tuvalu Tuvaluan tuvalus

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