impact crater

短语

陨石坑

词形变化

impact craters 复数 impact craters

释义与例句

n.
  1. 1.

    A crater formed from a hypervelocity impact, typically of a meteorite, as opposed to one formed by other means such as vulcanism.

    天文 地质
  2. 2.

    A crater formed by a process involving impact (not necessarily a hypervelocity one).