基本解釋漂礫同根派生 erratics相關(guān)詞英漢例句Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.漂礫是由冰川搬運(yùn)竝在距發(fā)源地一定距離的地方堆積的巨礫。erratics更多例句