dreamjennie
信号 [词典] signal; semaphore; gun; [电影] The Signal; [例句]火车切不可越过危险信号。A train must not pass a signal that is at danger.
食客小冬
求救 cry for help; ask sb. to com ...信号 signal; semaphore; gun织物, 狭长求救信号旗, 求救信号 weft紧急求救信号 sos求救信号(混音版) s.o.s(hi-tack remix)-fitrerfunk求救信号脉冲 distress-call pulse; emergency pulse遇难求救信号 cqd求救信号;遇险信号 distress signal国际遇难求救信号 international distress signal求救信号;遇险呼号 distress call无线电求救信号 radio alarm signal; radio distress signal作为海难求救信号 c.q.d船只遇难时的求救信号 distress signal国际公海海难求救信号为 c.q.d国际无线电求救信号 international distress signal used by ships and aircraft求救信号无线电波段 distress radio frequency无线电话中的求救信号 mayday无线电求救信号频率 radio distress frequencies无线电遇难求救信号 radio distress signal昼夜两用求救信号弹 day-night flare求救信标 rescue beacon国际通用的无线电话中求救信号 mayday自动求救信标 automatic rescue beacon值班报务员监听无线电求救信号器无线电守听 radio watch呼救信号 distress signal; emergency pulses; signal for help; sos◇呼救信号频率 distress frequency
优质英语培训问答知识库