| 单词 | semaphore |
| 释义 | semaphore n 1 [U] system of sending signals by holding the arms or two flags in certain positions to indicate letters of the alphabet 旗语 send a message by semaphore 用旗语发送信息. 2 [C] device with red and green lights on mechanically moved arms, used for signalling on railways （铁路的）臂板信号机. semaphore, v [I, Tn, Tf, Dpr.f, Dpr.w, Dpr.t nopassive 不用於被动语态] send (messages) by semaphore 用旗语发送（信息） semaphore (to sb) that help is needed/to send help （向某人）打旗语求救. |
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