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单词
spot board
释义
spot board
noun
:
a sighting board laid across the rails in advance of a railroad track-raising gang to indicate the required amount of lift
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ultimatum
ultime
ultimo
ultimobranchial
ultimobranchial
ultimobranchial body
ultimogenitary
ultimogeniture
ultimus
ultimus haeres
ultimus heres
ultonian
ultra-
ultra
ultra
ultra-atomic
ultrabasic
ultracentrifugal
ultracentrifugally
ultracentrifugation
ultracentrifuge
ultracondenser
ultraconservatism
ultraconservative
ultradian
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更新时间:2025/12/13 9:58:09