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
and he doesn't get to use it.
却又用不上。
To hear a hundred times is not so good as to see once.
百闻不如一见。
After a short while he started directing films himself.
不久，他开始自己导演电影。