And I am feeling really happy that I am part of the American culture. I am proud of the American revolution in track and field at the moment which is really going so well.
我很高兴能成为美国文化的一部分，对美国在田径领域内的革新很骄傲。
2
Abstract: the forecast of heavy rain induced by vortex is not only determined by the vortex movement track, but also closely related to its structure and revolution.