来自Arizona行星科学研究会的研究员对火星的北半球的“阿拉伯地”（Arabia Terra）地带和南半球的海拉斯盆地进行研究，他们发现有30条类似于地球上石流，冰川极有可能流入这些地带，另外还发现3-7英尺宽的河流通道...
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860年代，拜占庭帝国开始从阿拉伯人的入侵中恢复，因此到872年，与阿拔斯王朝的军事平衡永久地成为帝国的优势。
In the 860's the Byzantine Empire began to recover from Arab incursions so that by 872 the military balance with the Abbasid Caliphate had been permanently altered in the empire's favor.
阿拉伯人没有偶尔眨眼，而是慢慢地、懒洋洋地垂下眼睑，她确信他们已经睡着了。
Instead of the occasional blink, Arabs lowered their lids so slowly and languorously that she was convinced they were falling asleep.
叙利亚内战一触即发，而阿拉伯联盟却愚蠢地准备推动战事的爆发。
Syria is on the verge of civil war and the Arab League foolishly appears to have decided to egg it on.
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