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单词
ball signal
释义
ball signal
noun
:
an object like a ball hoisted manually to the top of a track-side pole in early railroading to indicate that the way was clear for an approaching train
— compare highball
随便看
for all that
for all the world
for a loop
for a loss
foram
for a marvel
foramen
foramen
foramen magnum
foramen of magendie
foramen of monro
foramen of winslow
foramen of Winslow
foramenovale
foramina
foraminal
foramina of key and retzius
foraminate
foraminated
foraminifer
foraminifera
foraminiferal
foraminiferan
foraminiferous
foraminous
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更新时间:2025/7/29 20:29:56