A big (s ) fell off the mountain just now and destroyed the crops in the field 这填什么?
问题描述:
A big (s ) fell off the mountain just now and destroyed the crops in the field 这填什么?
答
stone 石头?为什么是sand,能讲下理由么?改了, stone 石头指“一块大石头从山上滚落下来”