“nonproductive cough”的概念、定义、翻译、参考文献-科学参考

单词	nonproductive cough
释义	nonproductive cough [´nän·prǝ¦dǝk·tiv `kȯf] See <<dry cough>>
随便看	firn firn basin fir needle oil firn field firn ice firnification firn limit firn line firn snow fir oil first answer print first arrival first bottom first category first-class current first cost first countable topological space first-degree burn first derived curve first detector first estimate-second estimate method first filial generation first fire first fire composition first Fresnel zone

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。