惯力用英语怎么说

inertia /ɪn'ɜːrʃə/ n [U](usu derog 通常作贬义) 1、(a) 无活力; 迟钝* I'm unable to throw off this feeling of inertia. 我无法摆脱这种懒散的感觉.(b) 惰性; 保守*Because of the sheer inertia of the system many badly needed reforms were never introduced. 纯粹是由於制度本身有惰性, 很多事急需改革却从未实行.2、(physics 物) 惯性.*Inertia scalars are defined in terms of quantities called inertia vectors.我们将用惯性矢量来定义惯性标量。 引申：> inertial adj 惯性的*a missile's inertial guidance system 导弹惯性制导系统.# i,nertia `reel 惯性卷筒（安全带伸缩装置, 突然受力时可自动?紧以保护使用者）.i,nertia `seat-belt 惯性卷筒式座位安全带.i,nertia `selling (esp Brit) 惯性销售（将货物送至未订购者处, 希不遭退货而成交, 事後清帐）.