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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
先理解核心含义，再看它在真实句子里的用法。
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
there is a special cleaner for these surfaces
正在加载中文释义…
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
正在加载中文释义…
the extended two-dimensional outer boundary of a three-dimensional object
正在加载中文释义…
the outermost level of the land or sea
the cloth had a pattern of red dots on a white surface
they skimmed over the surface of the water
a brush small enough to clean every dental surface
the sun has no distinct surface
earthquakes originate far below the surface
three quarters of the Earth's surface is covered by water
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT.