erratics是什么意思

用法例句

Klippen" at Tangbazi and so on in Pengzhou-Shifang section of the Longmen Mountains may be giant glacial boulders from Wenchuan.

论述了塘坝子等地的“飞来峰”是由汶川搬运到彭州等地来的巨型冰川漂砾。

It is found that most of glacial pots,distributed on giant glacial boulder,sheepback rock or rock drumlin,resulted from that in Huanggangliang Mountai,Qilaotu Mountain,Damatushan Mountain southern end of the sheet was obstructed,rotated and dispersed when Mo.

在赤峰境内发现大量冰臼和冰臼群后，利用遥感图像对大兴安岭及其两侧的冰蚀、冰碛地貌类型进行解译发现：它们中的绝大多数原本在巨型冰川漂砾、羊背石或基岩鼓丘上。