他们不得不在隧道入口处安置一名信号员站岗。
信号员的签字符号对空假期具有重要意义。
The signalman 's signature sign is significant to the vacant vacation.
信号员的签字符号对空假期具有重要意义。
The signalman's signature sign is significant to the vacant vacation.
信号员的签字符号对空假期具有重要意义。
The signalmans signature sign is significant to the vacant vacation.
驾驶员必须密切注意信号。
驾驶员必须密切注意交通信号。
该船发出信号要求派引水员来。
指挥员用手势发信号要战士们移动。
The commander made a signal with his hand for his soldiers to move on.
幸好一位驾驶员发现了这个信号，用无线电给最近的市镇发了电报。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸好一位驾驶员发现了这个信号，用无线电给最近的市镇发了电报。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
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