wheel mounting的用法和樣例：
例句
- A device consisting of a spinning mass, typically a disk or wheel, mounted on a base so that its axis can turn freely in one or more directions and thereby maintain its orientation regardless of any movement of the base.
陀螺儀一個(gè)旋轉物體，通常是圓盤(pán)或輪子安裝在一個(gè)底基上，它的軸可以自由地朝一個(gè)或多個(gè)方向旋轉，使所指方向不隨底基的運動(dòng)而改變
