英语语法分析

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？

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。