I don't see any reason why (Syrian President) Bashar al-Assad will want any of those refugees back, Ozel said.

“我找不到（叙利亚总统）巴沙尔·阿萨德希望这些难民回来的理由。

But Mr. Ozel says questions remain about the government's desire to take steps against the Islamic State, often called IS.

但奥泽尔先生说， 政府是否愿意采取措施打击通常称为 IS 的伊斯兰国， 仍存在疑问。

The University of Arizona's Feryal Ozel called the black hole " the gentle giant in the center of our galaxy" while announcing the new image.

亚利桑那大学的费里娅勒·奥泽尔在公布这张新图像时，称这个黑洞是“我们银河系中心的温和巨人”。