Leading them is Francois Serneels -- a Belgian agronomist affectionately nicknamed "Dr. Bethune of Potato," after the Canadian surgeon Norman Bethune who became a hero in China for his dedication ...

以下为美国独立宣言的全文内容： thirteen united 在人类事务发展的过程中，当一个民族必须解除同另一个民族的联系，并按照自然法则和上帝的旨意，以独立平等的身份立于世界列国之林… ...