# silurian ##### 词义 - #词性/n 志留系；志留纪 - #词性/adj 志留纪的； ##### 例句 - Tectonic Control of the Silurian Reef Distribution and Development on Upper Yangtze Platform - 大地构造对上扬子区志留纪生物礁分布及发育的控制 - Analysis of Silurian Sedimentary Basin in the South of Guizhou - 贵州南部志留纪沉积盆地分析 - The sedimentary environment of Middle Silurian is also involved . - 分析了该区中志留世的沉积环境及变化特征。