subdrain

词形变化

subdrains 复数 subdrains subdrained subdraining subdrains 三单 subdraining 现在分词 subdrained 过去式 subdrained 过去分词

释义与例句

n.
  1. 1.

    A drain below the surface of the ground.

v.
  1. 1.

    To drain below the surface.

    及物

词源

From sub- + drain.

来源：wiktionary