Obduredness
obduredness (uncountable)\\n(obsolete) hardness\\n
🗣️ 情景例句
He grew up happily in a small village.
他在小村庄里快乐地长大。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。
What are their jobs?
她们是做什么工作的？