一些科学家认为，这种林业害虫，不可避免地会借由加拿大北部针叶林带中的短叶松走廊，迅速向东扩散。
Some scientists say it is inevitable that the tree-killing insect will spread all the way east via a corridor of jack pines across northern Canada's boreal forest.
由于不确定当地的情况，埃里克松的探险队沿着加拿大的拉布拉多海岸线，继续向南航向至他们称之为“马克兰”或“森林之地”。
Unsure of the prospects there, Erikson's expedition sailed south to what they called "Markland, " or "the land of forests, " likely along the Labrador coast of Canada.
短叶松穿过了加拿大北部针叶林带，并一路延伸到东海岸，直到美国。
Jack pines cross the boreal forest of northern Canada, stretching all the way to the East Coast and down into the United States.
壳牌加拿大子公司拥有每天155，000捅产量的百分之六十，马拉松石油和雪弗龙公司分别占有百分之二十。
Shell's Canadian affiliate owns 60 percent of the 155, 000-barrel-a-day operation, and Marathon Oil Corp. and Chevron Corp. each own 20 percent.
中西加拿大的北部诸点的美国落叶松有一种有趣的难以解释的异常现象。
There is an interesting and unexplained anomaly in tamarack from northern localities in west central Canada.
山一半在杯的马拉松隆起，不列颠哥伦比亚，加拿大。入口形式，登记，信息，结果，和接触。
Mountain half marathon in Tumbler Ridge, British Columbia, Canada. Entry form, registration, information, results, and contacts.
一些科学家认为，这种林业害虫，不可避免地会借由加拿大北部针叶林带中的短叶松走廊，迅速向东扩散。问题是：这种情况具体将在何时发生？
Some scientists say it is inevitable that the tree-killing insect will spread all the way east via a corridor of jack pines across northern Canada's boreal forest.
山一半在杯的马拉松隆起，不列颠哥伦比亚，加拿大。
Mountain half marathon in Tumbler Ridge, British Columbia, Canada.
山一半在杯的马拉松隆起，不列颠哥伦比亚，加拿大。
Mountain half marathon in Tumbler Ridge, British Columbia, Canada.
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