delay  v. 推迟  例句：Sorry for the delay, Mr Weaver. 韦弗先生，很抱歉耽搁了一些时间。decrease vi. 减少，减小 Water consumption decreased during the winter.冬季期间水消耗量减少。vt. 减少，减小；使(逐渐)减少，使减小，减轻:All of them together allows to decrease the overall implementation cost and project risks. 全部合起来可以减少总的实施成本和项目风险。develop vt. 开发；进步；增进，增强,  制订；研制,开发(土地、资源等)The council house is planning to develop the area to the east of the town centre. 市政厅计划开发市中心以东的地区。definite adj. 一定的；确切的  We demanded that they give us a definite answer. 我们要求他们给个确切的答复。