单词	picosecond
释义	pi·co·sec·ond (pēkə-sĕk′ənd, pī-) n. Abbr. ps or psec One trillionth (10-12) of a second.
随便看	identifiable identifiably identification identification card identifier identify identity identity crisis identity element identity function identity matrix identity politics identity sign identity theft ideo- ideogram ideogrammatic ideogrammatically ideograph ideographic ideographically ideography ideologic ideological ideologist

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。