信号弹 xìnhàodàn signal flare Definitions Defs Origin Strokes Stroke Words Sentences Sents 信号 信號 xìnhào noun signal (prearranged sign) a prearranged sound, light, movement, or sign used to transmit information or instructions, such as a whistle or a flare弹 彈 dàn noun bullet bullet; ball; shell; bomb; (bound form) small pellet used as a projectile from a catapult or slingshot
