形容词
中文翻译：外部的
同义词：
['outer', 'outermost']
例句：
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1.The company's headquarters are located in the city center, which is external to the city.
公司的总部位于市中心，这是城市之外的。
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2.The research was conducted on the outer layer of the skin.
研究是在皮肤的最外层进行的。
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3.The team worked outside under the scorching sun.
团队在烈日下工作。