请输入您要查询的英文单词：
单词
down-
释义
down-
PREFIX
/daʊn/
lower in position , amount , quality , or importanceused with some nouns, verbs, adjectives, and adverbs （与一些名词、动词、形容词和副词连用）表示“降低，减少”
floating downriver
顺流飘浮
another dramatic downturn in sales
销售额的又一次急剧下降