dyas是什么意思？

dyas

英['daɪəs] 美['daɪəs]

• 二迭系；

例句

• The touch of the nameless dyas clings to my heart like mosses round the old tree. 无名的日子的感触,攀缘在我的心上,正像那绿色的苔藓,攀缘在老树的周身.
• It passes mainly through the purple -- color soft sandrock and mudstone in Triassic or Dyas Systems. 隧道主要通过三迭系、二迭系 紫红色 软质砂岩、泥岩岩层.
• Skin can be preserved viably at 20℃ for 45 dyas but not longer than 60 days. 作者认为应用本方法储存的皮肤应在45天内用完,最长不要超过60天.