Rigidities
n. 僵化之物（rigidity的复数）
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
He that has no children knows not what is love.
没有孩子的人，不懂什么叫爱。
None of us is afraid of difficulties.
我们当中没有一个人害怕困难。