Flatness
n. 平坦, 平滑\\n[化] 平直度; 平整度; 平面度
📖 牛津释义
flatness
n [U].
🗣️ 情景例句
That's wonderful!
真出色！
There's more knows Tom Fool than Tom Fool knows.
臭名气并不光彩。
I had a wonderful time here.
我在这里度过了难忘的时光。