alteration变化,改动 eg:the bill went through parliament with only a few minor alterations 该法案只做了一些改动就在会议通过了transformation彻底改变(形状,外表或性质)eg:the area of wasteland was transformed into a park那片荒地被改造成了一个公园restructer重新组织,调整,改组modification修改,更改,改变 eg:a few simple modifications to this design would greatly improve it 这个设计只要作几处简单的修改便可大为改善