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Meteoroid
英音[ ˈmiːtiərɔɪd ] 美音[ ˈmiːtɪərˌɔɪd ]
[天] 流星体
常用释义
词性释义
n.
[天] 流星体
例句
全部
A bright
trail
or
streak that
appears
in
the
sky
when a
meteoroid
is
heated
to
incandescence
by
friction
with
the
earth
's
atmosphere
.
流星流星体与地球大气摩擦加热至白炽在天空中出现的闪光痕迹或光带
A
bowl
-
shaped
depression
in
a
surface
made by an
explosion
or
the
impact
of
a
body
,
such
as
a
meteoroid
.
碗状凹陷由于爆炸或流星之类的物体的碰撞而在地表形成的碗状凹陷处
Such
massive
rings
would
be
less
sensitive
to
the darkening
effect
of
meteoroid
bombardment
,
thus
explaining
their
brightness
today
.
如此厚重的光环降低了流星撞击引起的暗化效应，因此也可以用来解释目前光环亮度的问题。
In
Europe
until
after
1803
,
people
realized
the
meteoroid
meteorite
crashed
to
the
ground
part
of the
residue
.
在欧洲直到1803年以后，人们才认识到陨石是流星体坠落到地面的残留部分。
The
cometary
ejection
play
a
crucial
role
in
formation
and
evolution
of
the
meteoroid
stream
.
彗星的喷发速度在流星群的演化过程中起着重要作用。
Studies
on
meteoroid
streams are briefly
and
systematically
presented
.
对流星群的研究作了简明而系统的介绍。
relationship
among
asteroids
,
comets
and
meteoroid
streams,
and
new
topics
in
meteoroidal
researches
are stated
.
流星群与彗星和小行星的相互关系以及流星群研究中的新课题。
"
Meteoroid
impacts
into
,
and
collisions
among
,
these
bodies
and
the moonlet
could
liberate
dust
to
form
the
arc
,
"
said
Hedman
.
“流星影响到，和之间的碰撞，这些机构和小卫星可以解放尘埃形成电弧说，”赫德曼。
Once
it hits
Earth
,
a
meteoroid
suffers an identity crisis and
becomes
a
meteorite
.
流星体一旦撞上地球，就变成了“陨石”。
Shortly
before
the
uninhabited
space station
reached
orbit
in
May
1973
,
aerodynamic
pressure
ripped
off
a
meteoroid
and
heat
shield
.
在1973年5月无人空间站到达轨道前不久，空气动力压力扯破了一个流星体和挡热板。
同根词
(词根meteor)
meteoric
adj
大气的；流星的；疾速的
meteor
n
流星；[气象] 大气现象