网站首页 汉语 德语 英语
A subatomic particle which travels at less than the speed of light, as contrasted with the hypothetical tachyon.
1960s. From tardy adverb + -on, punningly after tachyon.
1960s. From tardy [adverb] + -on, punningly after tachyon.
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。