例句與用法

1. Erratics ate boulders transported by glaciers and deposited some distance from their point of origin .
   漂礫是由冰川搬運并在距發(fā)源地一定距離的地方堆積的巨礫。
2. The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics .
   除了通稱為游動的不規(guī)律星體運動之外，恒星和衛(wèi)星之間的視差折光差微小，而且是容易測定的。