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请输入您要查询的英文单词:
单词
light-year
释义
light-year
美
英
na.
【天】光年
复数:
light-years
权威英汉双解
英汉
英英
light-year
显示所有例句
n.
1.
光年(指光在一年中走过的距离:9.4607 × 10¹2 公里)
the distance that light travels in one year, 9.4607 × 10¹2 kilometres
The nearest star to earth is about 4 light years away.
地球离最近的恒星大约为 4 光年。
2.
[pl]
很长时间;很久
a very long time
Full employment still seems light years away.
充分就业好像依然是遥遥无期。
n.
1.
【天文学】光年
n.
1.
a
unit
of
distance
in
astronomy
equal
to
the
distance
that
light
travels
in
a
vacuum
in
one
mean
solar
year
,
approximately
9.46
trillion
km
(5.88
trillion
mi
)
np.
1.
a
very
long
way
in
time
,
distance
,
or
other
quantity
or
quality
随便看
vertical form index
vertical grouping
vertical guide idlers
vertical gyro
vertical hold control
vertical-incidence transmission
vertical integration
vertical interval
vertical interval reference
verticalism
vertical jet
vertical lathe
vertical lead
vertical-lift bridge
vertical linearity control
vertical linkage
vertically
vertically-integrated
vertical marketing system
vertical marketing systems
vertical mobility
verticalness
vertical obstacle sonar
vertical oscillator
vertical photography
返照回光
返璞归真
返老还童
返观内照
还淳返朴
还珠买椟
还珠返璧
还醇返朴
这山望着那山高
进可替否
进善退恶
进善黜恶
进寸退尺
进履圯桥
进德修业
进思尽忠,退思补过
进荣退辱
进贤任能
进身之阶
进退两端
进退两难
进退出处
进退可度
进退失所
进退失据
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更新时间:2026/4/8 4:21:19