Coal degradation
[建] 煤之剥蚀
🧩 词语组成解析
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
I remember the girl whose father owns a jewelry store.
我记得那个女孩的父亲有一家文具店。
As they grow old, people also accumulate belongings for two other reasons,
随着年纪的增加，人们也因为两个原因而继续积累：