音標(biāo)發(fā)音英式音標(biāo) [?me?.de?]美式音標(biāo) [?me?.de?]英式發(fā)音 美式發(fā)音 基本解釋(船只、飛機(jī)發(fā)出的)無(wú)線電求救信號(hào)。同根派生 Mayday相關(guān)詞英英字典劍橋英英字典 a special radio signal sent from a ship or an aircraft when it needs helpMayday劍橋字典Mayday柯林斯字典