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单词
signal box
释义
signal box
英?[?siɡn?l b?ks]
美?[?s?ɡn?l bɑks]
释义
n.
（铁路上的）信号塔，（警察或火警系统的）警报箱
词态变化
复数:?
signal boxes
;
英英释义
Noun
1. a building from which signals are sent to control the movements of railway trains
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更新时间：2026/8/4 16:22:13