Piphilology comprises the creation and use of mnemonic techniques to remember a span of digits of the mathematical constant . The word is a play on the word "pi" itself and of the linguistic field of philology.
piphilology:
pi +? philology
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。