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
Thank you so much.
太谢谢你了。
He is a man of his word.
他是守信的人。
Strong players, but a weak team.
好球员，弱球队。