“硫氮”例句

单词 硫氮 例句 DEFINITIVE EXAMPLES 权威例句〔thiazine〕Any of a class of organic chemical compounds containing a ring composed of one sulfur atom, one nitrogen atom, and four carbon atoms, used in making dyes.硫氮杂苯：包括一个硫原子、一个氮原子和四个碳原...