1、 Instead of her normal southward course towards Alexandria and home, she headed west.
她不走平常向南去亚历山大和家乡的路，而是向西走。
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2、 As the Arctic ice pack spread southward, Norse voyages to the west were rerouted into the open Atlantic, then ended altogether.
由于北极的大片浮冰向南移动，挪威人的航行路线由向西航行改成了向开阔的大西洋航行，后来向西的航行整个都终止了。
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