生物学
秃鼻乌鸦 (corvus frugilegus)
We all have this mental image of there being hundreds of thousands, millions perhaps, of people making fortunes out of rooking and cheating people online.
FORBES: Where is All The Cybercrime?
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。