名词
中文翻译：外部边缘
同义词：
['outer boundary', "outer margin例句：1. The car's outer edge is scratched by the tree.（汽车的外部边缘被树刮伤了。）"]
例句：
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1. The car's outer edge is scratched by the tree.
汽车的外部边缘被树刮伤了。
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2.The outer edge of the lake is visible from the shore.
湖的外部边缘在岸上可见。
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3.The outer edge of the forest is densely packed with trees.
森林的外部边缘密布着树木。