中国是一个发展中国家 属于第三世界。China is a developing country which belongs to the third world.

问题补充：

中国是一个发展中国家，属于第三世界。China is a developing country,which belongs to the third world.

答案：

(答案→)China is a developing country,which belongs to the third world.

解析：belong to属于

如果觉得《中国是一个发展中国家 属于第三世界。China is a developing country which belongs to the third world.》对你有帮助，请点赞、收藏，并留下你的观点哦！