evacuator

n. 撤退的人, 排除用具

词形变化

evacuators 复数 evacuators

释义与例句

n.
  1. 1.

    One who evacuates; a nullifier.

  2. 2.

    An agent for emptying, especially an instrument for removing fragments of stone from the bladder after litholapaxy.

词源

From evacuate + -or.

来源：wiktionary