求翻译：在中国历史上，是孙中山感慨的表示在最苦难的时刻是苏维埃俄国帮助了中国。在抗日战争阶段，当美国还在奉行不干涉主义的时候，在美国还在向日本提供各种战略物资的时候，也是苏联最先派出航空兵军团帮助国民政府。是什么意思？

In Chinese history, Sun Yat-sen expression of emotion in the moment is the most suffering Soviet Russia helped China. During the war period, when the U.S. is still time to pursue non-interference doctrine in the United States also provides a variety of strategic materials to Japan when the air is th

In the history of China, Dr Sun Yat-sen's emotion is expressed in the time of suffering of Soviet Russia is helping the Chinese. During the War of Resistance Against Japan stage, when the United States is also in pursuit of a non-interventionism, and when the United States also in Japan to provide a

In the Chinese history, was the expression which Sun Yat-Sen sighed with emotion is Soviet Russia has helped China in the most misery time.In Sino-Japanese War stage, when US is not carrying out interventionism time, in US also in provides each kind of strategic resources to Japan time, also is Sovi

In the history of China, was a moment of Sun Yat-Sen's feelings expressed in the most suffering is Soviet Russia helped China. In the stage of the war, when the United States also pursue when not interventionist, in the United States to Japan offers a variety of strategic goods, was first sent Aviat

In the history of China, was a moment of Sun Yat-Sen's feelings expressed in the most suffering is Soviet Russia helped China. War stage when United States when still pursuing interventionism, United States Japan provides various strategic materials when Soviet national Government first sent Aviatio