flat的反義詞

flat 平坦的 波瀾不驚的，缺乏熱情的，無光澤的，色彩單調的等等

其反義詞有曲折的winding，flexural，meandering等，熱情的enthusiastic，passionate，zealous等 ，有光澤的glossy，lustrous等等

①曲折的meandering

Back in the dinosaur era， it was more of a floodplain environment， with a flat plain crisscrossed by big， meandering rivers.

在恐龍時期這個地區則更多爲氾濫平原環境，平坦的平原上縱橫交錯着大而曲折的河流。

②熱情的passionate

You can recognise a person who is passionate about a pursuit by the way they are so strongly involved in it.

你可以通過一個人對一件事的投入程度來判斷他對這件事的熱情程度。

③有光澤的glossy

Her hair was thick， glossy and in tiptop condition.

她頭髮濃密、有光澤且髮質一流。