n.基础训练；染色的底色；[电]接地
动词ground的现在分词形式.
He has a good grounding in Chinese. 他的汉语底子厚。
A sound knowledge of physics is fully as important as good grounding in chemistry. 完备的物理知识同化学中良好的基础训练一样重要。
The light of humanity shines brightly on this quality grounding. 在这片质感的底色之上，人文的性灵之光熠熠生辉。
后台处理
