n.主席的职位(或任期等),总统的职位(或任期等)
presidency的复数

原形：presidency复数：presidencies

My ambition is the presidency.
我的抱负是成为一名总统。
Eric wants to run for the presidency.
埃里克想竞选总统。
Mary is a candidate for the presidency.
玛丽是总统候选人。
The presidency of the company was passed down to his son after his retirement.
公司的总裁职位在他退休后传给了他的儿子。
She announced her candidacy for the presidency in the next election.
她宣布参加下届总统选举的候选人提名。
The presidency is considered one of the most powerful positions in the world.
总统职位被认为是世界上最有权力的职位之一。
During his presidency, the country experienced significant economic growth.
在他的任期内，国家经历了显著的经济增长。
The president's first term in the presidency was marked by several major foreign policy achievements.
总统的第一个总统任期以几项重大的外交政策成就为标志。
The responsibilities of the presidency include acting as the head of state and commander-in-chief of the armed forces.
总统的职责包括担任国家元首和武装部队总司令。
His bid for the presidency was unsuccessful due to lack of popular support.
由于缺乏民众支持，他的总统竞选未能成功。
The transition of power from one presidency to another is a crucial period for any nation.
从一个总统任期到另一个总统任期的权力交接对任何国家来说都是一个关键时期。
The presidency's role in shaping domestic policies cannot be overstated.
总统在制定国内政策方面的作用怎么强调都不为过。
Historians often debate the impact of individual presidencies on the long-term course of the nation.
历史学家经常就个人总统任期对国家长期发展的影响进行辩论。