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单词
block system
释义
WordReference Random House Unabridged Dictionary of American English © 2024
block
′
sys′tem,
[
Railroads.
]
Rail Transport
a series of consecutive blocks. Cf.
block
(def. 22).
Rail Transport
a system of blocks and block signals for controlling train movements.
1860–65
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logo-
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log of wood
logogram
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logography
logogriph
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logomach
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logomachy
log on
logopedic
logopedics
logophile
logophobia
logorrhea
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logorrhoea
logos
logotype
logotypy
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更新时间:2026/7/8 20:50:36