Morse code
n.莫尔斯电码 牛津词典 noun 莫尔斯电码a system for sending messages, using combinations of long and short sounds or flashes of light to represent letters of the alphabet and numbers 柯林斯词典 莫尔斯电码Morse code or morse...
n.莫尔斯电码 牛津词典 noun 莫尔斯电码a system for sending messages, using combinations of long and short sounds or flashes of light to represent letters of the alphabet and numbers 柯林斯词典 莫尔斯电码Morse code or morse...