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
Are you ready?
你准备好了吗
In case of fire, keep your head.
万一发生火灾，保持镇定。
But my father had described over and over again what we should see at every milestone, after leaving the nearest town,
而是父亲曾详细给我讲了，在过了离故乡最近的那个小镇后，在每一个路标处可见到些什么。