单词	acetothienone
释义	acetothienone noun ace·​to·​thi·​enone ¦a-sə-(ˌ)tō-ˈthī-ə-ˌnōn, ə-ˌsē-tō- plural -s : an oily liquid ketone CH3COC4H3S formed by the acetylation of thiophene; methyl 2-thienyl ketone Word History Etymology International Scientific Vocabulary acet- + thienone First Known Use 1886, in the meaning defined above
随便看	tops up tops'l topsail topsail schooner topsails topset beds topset onion topside topside-turvy topsider topsiders topsides topsidest topsman topsmen topsoil topsoiled topsoiling topsoils topspin topspins topstitch topstitched topstitches topstitching

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