Home/signal of distresssignal of distress求救信号,遇险信号,遇难信号,危难信号Synonyms & Antonymsas indistress signalSynonymswarning signal警告信号,警示信号,警报信号,预警信号mayday求救,求救信号,五月天,求救日sos证券,证券公司,证券交易所,证券时报alarm警报,报警,惊动,闹钟burglar alarm防盗警报器,防盗报警器,防盗警报,防盗报警call for help求助,呼救,求救,求助于人danger signal危险信号,危险讯号,危险的信号,危险警告fire alarm火灾报警,火灾警报,火灾警报器,火警警报flare扩口,扩音器,喇叭口,耀斑notice to mariners海员须知,海员通知,海员通告,海员注意Level 9Browse all words →