firmness

🇬🇧/ˈfɜːmnəs/ 🇺🇸/ˈfɜːrmnəs/ 9
the quality of having a solid, almost unyielding surface or structure. "he tested the firmness of the mattress"

noun [抽象名词]坚定;坚固;坚度

He was a man of intelligence and of firmness of will.
他是个聪明而又意志坚定的人。

firmness

-ness ⌜ 表示状态或质量的性质 - indicating the state or quality of ~ ⌟
单词造句: