The popular press tends to represent him as an environmental guru.大众媒体往往把他描绘成环保领袖。So guru is actually one who removes our darkness.所以guru的意思就是“黑暗驱除者”.Gu means darkness, and ru is remover. So guru is actually one who remo...
漂砾是由冰川搬运并在距发源地一定距离的地方堆积的巨砾.Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.在沙漠地区我们经常看到有些巨砾已被不明显的原因破裂成碎片.In desert areas we often find boulders which have been shattere...
Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.翡翠由辉石族 、 角闪石族、长石族矿物组成.Pyroxene is exclusively diopsidic augite, with a composition relatively colse to the diopside - hedenbergite join.所有辉石是透辉...