网站首页 汉语 德语 英语
Designating a phenomenon by which a linear flow of superfluid liquid helium (helium II) generates a difference in temperature between its ends.
1930s.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。