flat·ness
noun/ˈflætnəs/
/ˈflætnəs/
[uncountable]- the quality of being level or smooth
平整度：水平或光滑的质量 - the immense flatness of the plain
平原的巨大平坦 - an instrument for measuring floor flatness
一种测量地面平整度的仪器
- the immense flatness of the plain
- the fact of not showing or feeling interest, enthusiasm or emotion
扁平：没有表现出或没有兴趣，热情或情感 - feelings of flatness and disappointment
平淡和失望的感觉
- feelings of flatness and disappointment
- the fact of business not being very successful because very little is being sold
不景气的；萧条的；生意清淡的 - a sustained state of flatness in the economy
经济持续平稳
- a sustained state of flatness in the economy