| 单词 | 呼救信号 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔SOS〕A ship answering this SOS call arrived in time.一艘应这一紧急呼救信号而来的船只及时赶到。英汉大词典〔SOS〕No SOS messages were received from the plane.没有收到从飞机上发出的紧急呼救信号。英汉大词典〔SOS〕The ferry did not even have time to send out an SOS.渡船甚至连发出紧急呼救信号的时间都没有。柯林斯高阶〔SOS〕Within an hour of the ship transmitting an SOS (message/call), six boats had arrived and started a rescue operation.这艘船发出紧急呼救信号后不到1个小时，就有6艘船到达现场实施救援。剑桥高阶〔go out〕A distress call went out three hours ago.呼救信号是三小时前发出的。韦氏高阶〔mayday〕An international radiotelephone signal word used by aircraft and ships in distress.呼救信号：遇险的飞机、船只等使用的国际无线电呼救信号美国传统〔pick up〕The crew picked up a distress signal from another fishing boat.船员接收到了从另一艘渔船发来的呼救信号。外研社新世纪〔semaphoric〕They flash a semaphoric SOS.他们用灯打出紧急呼救信号。英汉大词典〔send〕The ship is sending out an SOS signal.那艘船正在发出呼救信号。朗文当代〔water〕The SOS said:“Dutch vessel making water, require immediate assistance.” 呼救信号说:“荷兰船进水,要求紧急援助。” 英汉大词典In Morse code, an SOS consists of three short sounds or flashes followed by three long ones and then three more short ones.在莫尔斯电码中，紧急呼救信号是由这样一组信号构成的: 三声短的信号或闪烁，接着是三声长的，然后再是三声更短的。剑桥国际The hospital sent out an SOS for extra blood supplies.这家医院发出了紧急呼救信号，要求额外的血液供应。剑桥国际Within an hour of the ship transmitting an SOS (message/call), six boats had arrived and started a rescue operation.在这艘船发出紧急呼救信号后的一小时内，有六条船到达这里，并开始了救援工作。剑桥国际 |
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