目前，估计每年大约有50000物种绝迹，牛津大学的地理学家博士说道的翻译：At present, it is estimated that approximately 50,000 species extinct, geographer at the University of Oxford said 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

At present, it is estimated that approximately 50,000 species extinct, geographer at the University of Oxford said

At present, estimated every year probably has 50000 species to vanish, Oxford University's geographer doctors said

At present, it is estimated that every year, there are about 50,000 species of extinct, and Oxford University geographer," said Dr.

At present, it is estimated that approximately 50,000 species extinct, geographer at the University of Oxford said