Sclerotization
(=sclerosis)骨化
🗣️ 情景例句
I'm not sure I get your point.
我恐怕没听懂你的意思。
All things are easy that are done willingly.
做事乐意，诸事容易。
One day a letter from my father arrived at the school, asking for a teacher for me.
有一天，我父亲的信寄到学校，请求为我聘用一名教师。