生物学
金日成花
There is currently an exhibition in central Pyongyang showcasing the two blooms, called the "Kimjongilia" and the "Kimilsungia".
BBC: North Korea: Life in cultural isolation
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。