从事这项研究的负责人，乔治亚医学院的丹尼斯·奥恩比博士说他自己也对这个结论感到"非常惊讶"。

The study's lead author, Dr. Dennis Ownby of the Medical College of Georgia, says that even he was "very surprised" by the results.

youdao

描述：火光闪烁：加拿大不列颠哥仑比亚省，直升飞机驾驶员观看麦克莱恩山一场受控的燃火。

Caption :Light Show:Helicopter pilots watch as a controlled fire burns on Mount McLean, British Columbia.

youdao

描述：火光闪烁：加拿大不列颠哥仑比亚省，直升飞机驾驶员观看麦克莱恩山一场受控的燃火。

Caption :Light Show:Helicopter pilots watch as a controlled fire burns on Mount McLean, British Columbia.

youdao