grouser

n. 惯出怨言的人, 老是发牢骚的人

词形变化

grousers 复数

释义与例句

n.
  1. 1.

    A person who grouses; a grumbler.

  2. 1.

    A temporary pile driven into the bottom of a river to hold a boat in position; a spud.

    航海 交通
  3. 2.

    A protrusion on the surface of a wheel or continuous track segment, intended to increase traction in soil, snow, or other loose material.

    工程

词源

From grouse + -er.

来源：wiktionary