2. Just like an electric screwdriver pulls into a piece of wood, so these treads would cruise along the ground, regardless of terrain. 就 像 电动 螺丝刀 钻 木 一样, 这些 踏板 可以 在 地面 巡航, 不必 担心 地形。

The ground in an electric plug or piece of electrical equipment is the wire through which electricity passes into the ground and which makes the equipment safe.

{Ground joint}, a close joint made by grinding together two pieces, as of metal with emery and oil, or of glass with fine sand and water. [1913 Webster] 來源 (13): WordNet (r) 3.0 (2006) [wn] ground n 1: the solid part of the earth ' s surface; " the plane turned away from the sea and moved back over land "; " the earth shook for several ...

lit. arising suddenly above the level ground (idiom); sudden emergence of prominent new feature — Yasukuni Shrine, Shintō shrine in Tōkyō Japanese war dead, controversial as burial ground of several Class A war criminals — lit. be confined within a circle drawn on the ground [习惯用语]—

Nautical, to run ashore or aground; cause to strike the ground: as, to ground a ship. In electricity, to connect with the earth, as a conductor, so that the electricity can pass off to it.