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背单词
periastrons
periastrons
美
英
n.
〔天〕近星点
网络
远星点
词形变化
复数:
periastrons
英汉解释
n.
1.
〔天〕近星点
英英解释
n.
1.
the
points
in
space
and
time
in
the
orbits
of
two
stars
in
a
binary
system
at
which
they
are
closest
together
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sufficient adj. 足够的;充分的
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serried adj. 密集的;林立的;重叠罗列的 v. 拥挤,密集(serry的过去分词形式)
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too adv. 太;也;很;还;非常;过度
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考试词汇表
spraying oil vortex burning
sprayproof electric machine
spread layer chromatography
spread moored drilling ship
spread the speculation that
spread-layer chromatography
spreader hoisting mechanism
spreading-out type outbreak
sprial plate heat exchanger
spring back labyrinth gland
spring balance safety valve
spring balanced hatch cover
spring beard needle machine
spring cloth wind-up motion
spring drive (spring motor)
spring for release horn cap
spring like mucosal pattern
spring loaded sparking plug
spring needle sewing needle
spring pulse appearing wiry