iron lung
noun [ C ] uk/ˌaɪən ˈlʌŋ/ us/ˌaɪrn ˈlʌŋ/
铁肺，人工呼吸器
a machine with a large metal tube that pushes air in and out of someone's lungs to help them when it is difficult to breathe because of an illness
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。