decongestion

n. (城市等)拥挤的消除(或缓解), [医]充血的减轻

词形变化

decongestions 复数 decongestions

释义与例句

n.
  1. 1.

    The process of decongesting something.

    可数 不可数

词源

From de- + congestion.

来源：wiktionary