The U.S. federal government is comprised of three branches: the executive branch; the legislative branch; and the judicial branch.
美国联邦政府由三个部门组成：行政部门、立法部门、司法部门。
Executive Branch.
行政部门。
The executive branch includes the President, the Vice President, the Cabinet and all federal departments, and most governmental agencies.
行政部包括总统、副总统、内阁和所有联邦部门，以及大多数政府机构。
All executive power of the government is vested in the President, who serves a four-year term. U.S. Const. art. Ⅱ,sec.1, cl.11.
政府的所有行政权力是由总统授予的，根据美国宪法第二章第二节第一款每四年为一个任期。
The President is the Commander in Chief of the military, U.S. Const. art. Ⅱ,sec. 2, cl, 1, and has primary authority over foreign affairs.
根据宪法第二章第二节第一款，总统是军队最高长官，拥有对外事务的基本权利。
The President has the power to make treaties, but only with the approval of two-thirds of the U.S.
根据宪法第二章第二节第二款，总统有权力制定条约，但是必须有三分之二议员通过。
Senate. U.S. Const. art. Ⅱ,sec. 2, cl, 2.
根据宪法第二章第二节第二款，
The President also has power to nominate all Supreme Court Justices, all other federal judges, ambassadors, and all other officers of the United States.
总统也有权力提名美国最高法院法官、联邦法官、外交官及其他官员。
U.S. Const. art. Ⅱ,sec. 2, cl, 2. The President has the power to veto legislation.
总统有权否定立法。
The Vice President is also the President of the Senate, but votes only in the case of a tie vote in the Senate. U.S. Const. art. Ⅰ,sec. 3, cl, 4.
根据宪法第一章第三节第四款，副总统也是参议院主席，但是只有在参议院投票平局时才能投票。
The Vice President serves the same four-year term as the President. U.S. Const. art. Ⅱ,sec. 1, cl, 1.
根据宪法第二章第一节第一款，副总统与总统一样任期四年。