| 释义 |
〔touch〕grounded the radio by touching a wire to it; touching fire to a fuse.用导线轻触收音机使它接地；点燃引信〔ground〕A large conducting body, such as the earth or an electric circuit connected to the earth, used as an arbitrary zero of potential.接地：大面积导体，如地面或与地面连结的电路，用做任意零电位 |