地球科学
平壤
The best that can be hoped for is that this new round of diplomacy will go the way of the last one with Pyongyangs delegation behaving badly and refusing to disarm.
CENTERFORSECURITYPOLICY: Reykjavic redux?
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。