A trademark for: a large, pear-shaped plastic spacer, used particularly in the treatment of children with asthma.
1980s; earliest use found in The British Medical Journal. From nebu- + -haler.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。