national history的用法和样例：
例句
- This is a very dark period in the history of our nation.
在我们的民族史上，这是一段黑色的岁月。
national history的相关资料：
临近单词
national slur
national
National Insurance Producers Conference
national common psychological make-up
National Institute of Building Sciences
National Ambulatory Medical Care Survey
national intellectual property strategy
National Liberation Front's Armed Force
National Natural Disaster Relief Center
National Southwestern United University
national defence engineering inspection
national economy mobilization potential
