Obduredness
obduredness (uncountable)\\n(obsolete) hardness\\n
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
No one is answering the phone..
没有人接电话。
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。