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
Nice to meet you, Mr. Carlson.
很高兴见到你 Carlson先生。
Did you go to the bank last night?
你昨晚去银行了吗？
You are out of your mind.
你脑子有毛病！