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n.[电]接地,通地;搁浅;基础训练;底子,底色v.[电]接地(ground的ing形式);搁浅; 英英释义: grounding[ 'ɡraundiŋ ]n.education or instruction in the fundamentals of a field of knowledge"a good grounding in mathematics"同义词:foundationfastening electrical equipment to earth同义词:earthing