单词 | fall chronometer |
释义 | fall chronometernoun : an instrument used in experimental psychology having a body which may fall practically without friction and which makes or breaks electrical contacts as it drops so that time intervals can be determined |
随便看 |
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。