喇叭筒 lǎbatǒng megaphone Origin Definitions Defs Strokes Stroke Words Sentences Sents 喇叭 lǎba loudspeaker A device that converts electrical signals into sound; commonly used in radios, televisions, and public address systems.筒 tǒng noun tube (bound form) a section of thick bamboo; a tube-shaped object; a cylinder