presidentn.(国家)总统;(公司)总裁;校长;总经理;社长
presidev.主持;任主席;统辖
Presidency of Bosnia and Herzegovina波斯尼亚和黑塞哥维那主席团
"things were quiet during the Eisenhower administration"
"Andrew Jackson expanded the power of the presidency beyond what was customary before his time"