1. A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle. 
   支气管扩张剂一种可加宽肺里空气通道的药物，并通过放松支气管的平滑肌来使呼吸轻松
2. marked by the formation of a false membrane in the throat and other air passages causing difficulty in breathing. 
   在喉咙通道形成假膜致使呼吸困难。
3. To expel air from the lungs suddenly and noisily, often to keep the respiratory passages free of irritating material. 
   咳，咳嗽从肺里突然的带有声响地排出气体，通常为了使呼吸道不受物质阻碍
4. injury due to caustics 
   腐蚀剂损伤
5. To respond to insult or injury by patiently eschewing retaliation. 
   逆来顺受以忍耐对待侮辱和伤害

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