信號機 xìnhàojī signal device; signaller 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机 機 jī noun machine (bound form) machine; mechanism; engine
