| 释义 |
nouna large geologic formation, as a crater, created by a comet's or meteor's collision with a planet. Words nearby impact structureimpaction, impactite, impactive, impact parameter, impact printer, impact structure, impact wrench, impact zone, impair, impaired, impairment Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |