Surely such weighty matters merit a higher level of debate?这样重大的事件谅必应进行更高级别的讨论吧？This was a subject most of the people thought weighty.这是一个大多数人认为严肃的题目。Simon lifted a weighty volume from the shelf.西蒙从书架上取下一本厚重的书。Lucy seeme...
岩石圈之下是由部分熔融的橄榄岩所组成的软流圈.Below the lithosphere is the rheosphere comprising partly fused peridotite.氦和氖的测定,提供了更多的关于地球并非全部熔融的证据.Helium and neon measurements provide further evidence that the earth was not completely melted....