?笔头差
... 笔头英语 written English 笔头差 pen equation 笔头技巧 written ...
LeapReader's a sort of spiritual successor to the company's Tag line, maintaining the reading tool's pen-like form factor, while adding writing to the equation.
ENGADGET
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。