世界人口70億
2012-04-29 00:44:03柯楠
英語學習 2012年1期
柯楠
The United Nations declared that the world's population hasreach seven billion. Because censuses are infrequent andincomplete, no one knows the precise date--but there can be
柯楠
The United Nations declared that the world's population hasreach seven billion. Because censuses are infrequent andincomplete, no one knows the precise date--but there can be
