回声 huíshēng echo Origin Definitions Defs Strokes Stroke Words Sentences Sents huíshēng echo 回 huí verb to return to return to a place; to go back or come back声 聲 shēng noun sound sound; voice; noise; something that can be heardhuíshēng response 回 huí verb to answer to reply to a letter, message, or question; to report back声 聲 shēng noun sound sound; voice; noise; something that can be heard