noun
surface
/'sә:fis/
surface 是什么意思
面，表面，水面，外表
The outer boundary of an artifact or a material layer constituting or resembling such a boundary the extended two-dimensional outer boundary of a three-dimensional object the outermost level of the land or sea a superficial aspect as opposed to the real nature of something.
词性
noun
难度
进阶
页面用途
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