Copd
abbr. 慢性阻塞性肺病（chronic obstructive pulmonary disease）
🗣️ 情景例句
my friends were giving me a party,
我的朋友们为我举办了一个派对时，
I would have gone on the picnic if it hadn't rained.
如果没下雨，我就去野餐了。
Long ago, people believed that the world was flat.
很久以前人们相信地球是平的。