SOS
柯林斯詞典
1. N-SING An SOS is a signal which indicates to other people that you are in danger and need help quickly. 緊急呼救信號
The ferry did not even have time to send out an SOS. 這艘渡船甚至沒有時間發(fā)出緊急呼救信號。
返回 SOS
SOS /??s????s/
劍橋詞典
- a request for help , especially because of danger
求助；（尤指）緊急呼救（信號）
Within an hour of the ship transmitting an SOS (message /call ), six boats had arrived and started a rescue operation . 這艘船發(fā)出緊急呼救信號後不到1個小時，就有6艘船到達(dá)現(xiàn)場實(shí)施救援。
The hospital sent out an SOS for extra blood supplies . 這家毉院發(fā)出緊急求助信息，希望獲得額外的血液供應(yīng)。 返回 SOS