signal box
US /ˈsɪɡ.nəl ˌbɑːks/
UK /ˈsɪɡ.nəl ˌbɑːks/
1.
信号箱, 信号楼
a building beside a railway line from which signals and points are operated
:
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The train driver saw the green light from the signal box.
火车司机从信号箱看到了绿灯。
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The old signal box is now a museum.
旧信号箱现在是一个博物馆。