a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
同义词：bones, castanets, clappers, finger cymbals
maraca详细解释
ma.ra.ca n.Music （名词）【音乐】 A percussion instrument consisting of a hollow-gourd rattle containing pebbles or beans and often played in pairs.响葫芦，沙球：一种由内装卵石或豆粒的中空葫芦构成的且通常成对使用的打击乐器 来源：Portuguese maracá 葡萄牙语 maracá [probably from Tupi] [可能源自土匹]
