| 单词 | SOS |
| 释义 | Word Frequency SOSnoun 1. an internationally recognized distress signal in which the letters SOS are repeatedly spelt out, as by radiotelegraphy: used esp by ships and aircraft 2. a message broadcast in an emergency for people otherwise unobtainable 3. informal a call for help Word origin C20: letters chosen as the simplest to transmit and receive in Morse code; by folketymology taken to be an abbreviation for save our souls |
| 随便看 |
英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。