downy mildew

短语

霜霉病

词形变化

downy mildews 复数 downy mildews

释义与例句

n.
  1. 1.

    Any of several types of oomycete microbe, in family Peronosporaceae, that are obligate parasites of plants.

    可数 不可数

词汇关系

名词

上位词 1

mildew