downwardadv.向下adj.向下的；下降的downward ejection向下弹射downwardly mobile下向流动的, 有下降趋势的downward machines下位机downwards journey下坡行程downward movement向下运动downward revision向下修正downward rigidity价格不易下跌downward tendency下跌的趋势,看跌downward mobility趋下流动趋下流动downward compatble向下兼容