Ophir Chasma is a large west-northwest-trending trough about 62 miles, or 100 km, wide.
俄斐峡谷是一个宽约62英里，或100公里的，朝向西北偏西方向的大低谷。
One hypothesis relates the formation of Chasma Boreale to underlying volcanic activity.
有一种猜测认为博勒拉峡谷的成形与火山的地下活动有关。
China is trying a legalistic defence of the sale of the third and fourth reactors at Chasma.
中国正试图通过法律来捍卫向恰希玛出售第三和第四个反应堆的正当性。
The northern ice cap on Mars is nearly divided into two by a huge division named Chasma Boreale.
火星北半球的冰冠几乎被宏伟的博勒拉峡谷一劈为二。
The Chasma is bordered by high-walled cliffs, most likely faults, that show spur-and-gully morphology and smooth sections.
峡谷以高壁悬崖为界，而且极有可能是断层，用来分隔突岩沟壑的地貌形态和相对平滑的部分。
However the United States and other governments have been concerned about Pakistan's Chasma nuclear reactor, which opened with Chinese assistance last week.
然而，美国和其他国家对巴基斯坦的恰希马核反应炉表示关注，这个反应堆在中国的帮助下于上星期开始运作。
Mimas, at the upper right, has an enormous impact crater on one side, and Tethys, at the bottom, has a huge rift zone called Ithaca Chasma that runs nearly three-quarters of the way around the moon.
右上角的是土卫一，在它上面的一边上，有着一个巨大陨石坑；底部的是土卫三，上面有一个巨大的、称为伊萨卡峡谷的裂谷带，它几乎占了该卫星绕行路线的四分之三。
Mimas, at the upper right, has an enormous impact crater on one side, and Tethys, at the bottom, has a huge rift zone called Ithaca Chasma that runs nearly three-quarters of the way around the moon.
右上角的是土卫一，在它上面的一边上，有着一个巨大陨石坑；底部的是土卫三，上面有一个巨大的、称为伊萨卡峡谷的裂谷带，它几乎占了该卫星绕行路线的四分之三。
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