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
jazzed - adj. excited and happy
junk - n. things that are considered to be no longer useful or valuable
hobby – n. something done for pleasure, not for a job
angle – n. a space between two lines or surfaces that meet at one point
fake – adj. not real
booster – n. engine on a spacecraft that gives extra power for the first part of a flight
circumstantial – adj. containing information about something that makes you think it is true but not having enough evidence to completely prove it
stable – adj. firmly fixed and not likely to move or change
confident – adj. feeling or believing that one has the ability to succeed in something
