hydroscope

n. 深水望远镜

词形变化

hydroscopes 复数 hydroscopes

释义与例句

n.
  1. 1.

    A device for viewing objects below the surface of the water.

  2. 2.

    A kind of water clock consisting of a cylindrical graduated tube, from which the water escaped through a hole in the bottom.

    历史

词源

From hydro- + -scope.

来源：wiktionary