单词	a 信号
释义	A 信号A-light
随便看	doublemeaning double mechanical seal double melting point double-membrance loudspeaker doublement doublement {fr.} double meridian distance double meshes double meson double-message system double metaphone double meteor double meter double mica plate double minded double-minded doubleminded double-mindedly double-mindedness double minimal surface double minute double mirror double mirror galvanometer double mixer system double mix impression