The problems of the refugees became one of social problems at that time, because the millions and millions of refugees inside the Shanhaiguan rushed to the Northeast China in thel920s.是什么意思_The problems of the refugees became one of social problems at that time, because the millions and millions of refugees inside the Shanhaiguan rushed to the Northeast China in thel920s.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句