It had been assumed that the ice extended westward from the Alaskan/Canadian mountains to the very edge of the continental shelf, the flat, submerged part of the continent that extends into the ocean.
人们过去曾猜测，冰山从阿拉斯加和加拿大山脉向西延伸到大陆架的最边缘，也就是大陆架扁平的、延伸到海洋中的水下大陆那部分。
Lobsters live on rocky, sandy, or muddy bottoms from the shoreline to beyond the edge of the continental shelf.
龙虾生活在大陆架边缘海岸处的岩石，沙土，或泥底。
First, the chilly Malvinas Current, a north-flowing branch of the Antarctic Circumpolar Current, flows north along the edge of the South American continental shelf.
首先，环南极洋流的一支——马尔维纳斯寒流向北流动，流经南美洲大陆架的边缘。
Instead, China insists its exclusive economic zone stretches farther east to the edge of the continental shelf near the Japanese island of Okinawa.
而是，坚持认为中国的专属经济区一直向东延伸到日本冲绳岛附近的大陆架边缘。
Instead, China insists its exclusive economic zone stretches farther east to the edge of the continental shelf near the Japanese island of Okinawa.
而是，坚持认为中国的专属经济区一直向东延伸到日本冲绳岛附近的大陆架边缘。
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