Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
asteroid – n. a rocky object that goes around the sun like a planet
crater – n. a big hole
extinction – n. when a type of animal no longer exists
drill – v. make holes in hard materials with a machine
impact – n. the force or action of one object hitting another
location –n. a specific place
vaporize – v. to turn from a solid or liquid into a gas
fungal – adj. caused by a fungus
resurging – adj. the rising again into activity
