Planeness
[化] 平整度
🗣️ 情景例句
This is a brand new product; it proved to be a craze in the American market.
这是一个全新的产品，在美国市场掀起了一股热销潮。
It is better to be a martyr than a confessor.
与其做忏悔，不如做殉道者。
There was another unknown man.
还有一个不认识的人。