单词	yoctosecond
释义	yoc·to·sec·ond (yŏktə-sĕk′ənd) n. Abbr. ys or ysec One septillionth (10-24) of a second.
随便看	Helmand helmer helmet helmeted Helmholtz helminth helminthiasis helminthic helminthologist helminthology helmsman helmsmanship helmsperson helmswoman Helmut Helmut helo helot helotism helotry help helper helper T cell helpful helpfully

英语词典包含135693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。