Rigidities
n. 僵化之物（rigidity的复数）
🗣️ 情景例句
You will come up with the right answer.
你会想起正确的答案的。
My brother wants to learn how to fly a plane.
我的兄弟要去学开飞机。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。