a group of over400 closely related languages spoken in central,east-central,and southern Africa,belonging to the South Central subgroup of the Niger-Congo language family and including Swahili,Kinyarwanda,Kirundi,Zulu,and Xhosa

• 由400多种密切相关的语言组成的一类语言，使用于非洲中部、中东部和南部，属尼日尔－刚果语系的中南部亚类，包括斯瓦西里语、金亚瓦达语、基隆迪语、祖鲁语及科萨语