| 单词 | SOS |
| 释义 | SOS 1. the letters represented by the radio telegraphic signal (· · · - - - · · ·) used, esp. by ships in distress, as an internationally recognized call for help. n. 2. any call for help: We sent out an SOS for more typists. v.i. 3. to send an SOS. [1905-10] See shit on a shingle. |
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