planetary
a. of a planet; having sth. to do with planets
likelihood
n. the degree to which sth. can reasonably be expected to happen; probability
probability
n. the condition of being likely to happen
characteristically
ad. in a characteristic manner
characteristic
n. a special feature or quality that makes sb. or sth. different from others
a. showing a special feature or identity
breathtakingly
ad. astonishingly
exhilarating
a. very exciting; causing happiness
diversity
n. difference; variety
diverse
a.
lifestyle
n. a way of living
commerce
n. the buying and selling of goods; trade 商业
candidate
n. a person or thing that is regarded as being suitable for a particular purpose or as being likely to do or be a particular thing
astronaut
n. a person trained to travel in a spacecraft 宇航员
visitation
n. the act of visiting; visit
remote
a. distant in space or time
inexpensive
a. that which does not cost much; reasonable in price
anthropocentric
a. regarding men as the central fact, and his existence and welfare as the ultimate aim, of the universe 以人类为宇宙中心的
electromagnetic
a. of magnetic force produced by an electric current 电磁的
spectrum
n. a set of bands of colored light in the order of their wavelengths into which a beam of light may be separated; a range of any of various kinds of waves 光谱；波谱
ray
n. a beam of light, heat, electricity or some other form of energy
gamma ray (usu. pl.)
a beam of light of short wavelength which goes through solid objects Y射线，光（量）子
peer
n. an equal in rank, quality or worth
backward
a. late in development
observatory
n. a place from which scientists watch stars and other heavenly bodies 天文台
princess
n. the daughter of a king or queen; a prince's wife 公主；王妃
optimistic
a. tending to see the bright side of things
imply
vt. express, show or mean indirectly; suggest
stellar
a. of or concerning stars
muster
vt. gather or collect; summon
respectability
n. the quality of being respectable
Mars
n. 火星
mission
n. an important task, esp. one that involves traveling abroad
burgeon
vi. bud; grow or develop rapidly
lately
ad. not long ago; recently
manifestation
n. sign of the existence or presence of a person, object or quality
manifest vt.
skeptic
n. person who questions the truth of theories or apparent facts
skeptical
a.
interstellar
n. (placed or moving) between the stars
spacecraft
n. a vehicle used for traveling in outer space 宇宙飞船
ply
v. make regular journeys (between); sail
conveniently
ad. with ease
convenient
a.
colony
n. the area settled by a group of people who leave their country to live in another place 殖民地
premature
a. appearing, happening, or done before the usual, expected or correct time
surmise
vt. guess; suppose
detect
vt. notice or find the presence of
international
a. of or between two or more nations
traffic
n. vehicles, people, ships or aircraft moving along a route
incompletely
ad. not completely; partially
modulation
n. variation of the amplitude, frequency, or phase of the carrier wave in accordance with the sound wave or other signals being sent 调制
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