flatness

/ˈflætnəs/ 2
the quality of having a level surface without raised areas or indentations. "the flatness of the external surface"

noun [抽象名词]平坦;单调;断然的态度

What could be more obvious than the flatness of the earth?
有什么能比地面是平的更明显吗?

flatness

-ness ⌜ 表示状态或质量的性质 - indicating the state or quality of ~ ⌟
单词造句:
网友用“Flatness”造句精选
Shortly before this flatness we saw sargasso weed floating by. 就在大海平静下来前不久,我们看见有尾藻类海草在海面上漂过。
It needed lemon juice to sharpen the flatness of the dried lentils. 它需要柠檬汁来让已变干的扁豆入口更加爽滑。