Polypnea
n. 呼吸急促,气促
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
They are curious about what I've done with my time.
他们希望知道我一个人在做什么。
How long have you been learning English?
你学英语有多久了？