经济学
军用观察仪
I'm not going to waste anyone else's time, or your time or the viewer's time speculating about a military intervention which isn't going to happen.
BBC: Nick Clegg interview
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。