counterdrain

n. 河堤排水沟, 辅助沟

词形变化

counterdrains 复数 counterdrains counterdrained counterdraining counterdrains 三单 counterdraining 现在分词 counterdrained 过去式 counterdrained 过去分词

释义与例句

n.
  1. 1.

    A drain at the foot of the embankment of a canal or watercourse, for carrying off the water that may soak through.

  2. 2.

    An inserted device or other means by which excess fluid is drained off from a part of the body in which it accumulates.

    医学
v.
  1. 1.

    To drain off excess fluid from a part of the body in which it accumulates.

    医学

词源

From counter- + drain.

来源：wiktionary