maydays /ˈmeideiz/ 📖 中文释义 n. 救难信号( Mayday的复数形式 ) 🧩 词形变化 原形 mayday 📘 English Definition(英文释义) n. an internationally recognized distress signal via radiotelephone (from the French m'aider) ← mayday M 字母词表 Maydl's hernia →