单词	f-system
释义	f-system noun : a system of camera lens aperture markings that uses f-numbers Word History Etymology f (symbol for focal length)
随便看	ascend to the throne ascendable ascendance ascendances ascendancies ascendancy ascendant ascendantly ascendants ascended ascended the throne ascendence ascendences ascendencies ascendency ascendent ascendents ascender ascenders ascendible ascending ascending diphthong ascending frontal convolution ascending frontal gyrus ascending node

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。