[=paroxysmal nocturnal dyspnea]阵发性夜间呼吸困难
[=partial neck dissection]颈部局部解剖
[=postnasal drainage]鼻后引流
[=postnasal drip]鼻后滴注
[=postneonatal death]婴儿死亡
[=purulent nasal drainage]鼻脓性引流
[=pyrathiazine-n-5-dioxide]二氧化吡乙吩噻嗪

[=pound]重击,重击声