Pneumopathy
肺脏疾病
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
How long will you be working in Canada?
你将在加拿大工作多久？
Look at the ice! Be careful! It's thin.
瞧那冰！当心！冰很薄。