something that helps to increase or improve sth else 推动力◆Low interest rates should give a major boost to home sales. 低利率对房屋销售额的增长应能起到巨大的促进作用。◆Intel received a boost (= its share price increased) from positive comments made by analysts. 分析家正面的评论推了英特尔公司一把（其股价上涨了）。⨁to give / provide a boost (to sb/sth) 促进；推进⨁to get / receive a boost (from sth) （从某事中）获得推动力⨁a big / huge / major / much-needed / welcome boost 大的／巨大的／重要的／迫切需要的／受欢迎的推动力
an increase 提高；增加◆The company has announced a boost in exports. 公司宣布其出口量增加了。⨁to announce / enjoy / experience a boost 公布／获得／经历增长⨁a big / dramatic / huge boost 大的／戏剧性的／巨大的增长