| 单词 | 作为信号 |
| 释义 | 〔siren〕A device in which compressed air or steam is driven against a rotating perforated disk to create a loud, often wailing sound as a signal or warning.汽笛：一种装置，其中被压空气或蒸汽冲击一个旋转的有孔圆盘而产生巨大的、常常是尖锐的声音，作为信号或警报〔hoist〕A group of flags raised together as a signal.作为信号一起扯起的一组旗〔mayday〕"Mayday, mayday!” comes the international distress signal over the radio,and nobody stops to ask why the first of May is being mentioned at a time of crisis.Mayday, in fact, has nothing to do with the first of May. Instead, it is a spelling that represents the pronunciation of Frenchm'aidez, "help me,” or the latter part of the phrase venez m'aider, "come help me,” either of which are quite appropriate at such a critical juncture.“救命，救命!”无线电接收机中传来国际遇险呼救信号，总有人询问为何在危急时刻使用五月的第一天作为信号。实际上，Mayday 和五月份的第一天没有任何关系。 相反，它只是和法语中m'aidez “帮助我”或短语 venez m'aider “来帮助我”的后半部分的读音相同的一种拼写， 均适用于指紧要关头〔shofar〕A trumpet made of a ram's horn, blown by the ancient Hebrews during religious ceremonies and as a signal in battle, now sounded in the synagogue during Rosh Hashanah and at the end of Yom Kippur.绍法羊角号：古代犹太人在宗教仪式中吹，在战斗中作为信号的羊角号，现在在岁首节和赎罪日结束时在犹太人会堂里吹奏〔gun〕A discharge of a firearm or cannon as a signal or salute.鸣放：鸣放火器或大炮作为信号或表示敬意〔siren〕An electronic device producing a similar sound as a signal or warning:警报器：一种能发出类似声响的电子装置，作为信号器或警报器： |
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