Russian President Vladimir Putin and US President Donald Trump are set to discuss bilateral ties and the Ukraine crisis in a phone call, Kremlin Spokesman Dmitry Peskov said Tuesday.

从学术传统来看，莫斯科国立大学有着悠久而深厚的学术底蕴。它在自然科学、人文社会科学等多个领域都有着卓越的贡献。莫斯科国立大学的博士后往往继承了俄罗斯严谨的学术风格，注重理论深度和系统性。例如在物理学领域，博士后可能会深入研究复杂的理论模型，对经典物理 ...

In this combination of s, President Donald Trump, left, and Ukraine's President Volodymyr Zelenskyy, center, are seen at the ...