grounding
英 ['gra?nd??]
美['gra?nd??]
- n. [電] 接地；基礎；擱淺；（染色的）底色
- v. [電] 接地（ground的ing形式）；擱淺
英英釋意
- 1. education or instruction in the fundamentals of a field of knowledge;
- "he lacks the foundation necessary for advanced study"
- "a good grounding in mathematics"
- 2. fastening electrical equipment to earth