filter up

短语

发音

AU

词形变化

filtered up filtering up filters up 三单 filters up filtering up 现在分词 filtered up 过去式 filtered up 过去分词

释义与例句

v.
  1. 1.

    Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population.

    习语

    There are some brilliant new approaches being created at grass-roots level, but it is taking a long time for them to filter up to the larger institutions.