oil spot

短语

词形变化

oil spots 复数 oil spots

别名

oilspot

释义与例句

n.
  1. 1.

    A spot consisting of oil.

    A soiled spot on clothing, a tablecloth, etc., where some oil was absorbed; a similar spot on a driveway, puddle, etc., where some oil is lying.

  2. 2.

    A spot consisting of oil.

    An oil film over an area of the ocean after an oil spill.

  3. 3.

    One of the yellow spots, often circular in shape, on the upper leaf surface of grapevines in the early stages of downy mildew (caused by Plasmopara viticola infection).

    生物 植物学