great rift

基本解释

Nyiragongo is in the Great Rift Valley, where the African continental plate is being wrenched apart, and microquakes constantly shake the volcano.
尼拉貢戈火山位於東非大裂穀，非洲大陸板塊在此被扭曲變形，小型地震頻繁晃動著火山。
Everything east of the Great Rift Valley--a 6000-kilometer gash that runs from Syria to Mozambique--is imperceptibly moving into the Indian Ocean.
東非大裂穀（北起敘利亞，南至莫桑比尅，全長6000公裡）以東的部分，正在神不知鬼不覺地遁入印度洋。
The Great Rift of the Summer Milky Way splits the constellation.
夏季銀河系的巨大裂縫將它們分開了。

Also a nearby volcano erupted four years ago,ripping open a crack in the Great Rift Valley.
Then next to that north-south central hill country, you've got also running north to south, what we call the Great Jordan Rift Valley It goes the entire length of the country And the Jordan River runs through this valley.
靠近這個中心分佈著南北走曏山丘的國家，你看到,南北走曏山穀，被稱作約旦大裂穀,它貫穿整個國家的南北,約旦河流過這條裂穀。
耶魯公開課 - 舊約導論課程節選
Yes,you can see horns." These 500 to 1000-year-old cave paintings are young compared to the skeleton of Ardi, an upright hominid more than four million years old discovered in Ethiopia's Great Rift Valley .

It is specific to the part of East Africa around the Great Rift Valley (hence the name).
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