美[daɪ'θaɪən] 1 . A number of recent variations has further demonstrated the utility of the 1,3 - dithiane system.
许多新的改革进一步阐明了1,3-二硫杂环已烷体系在合成上的用途.
来自辞典例句
2 . A number of recent variations have further demonstrated the utility of the 1, 3 - dithiane system.
几种最近的变体进一步阐明了1, 3- 二硫杂环已烷体系的用途.
来自辞典例句
1.二噻烷
