名詞 geopolitics:

1. the study of the effects of economic geography on the powers of the state

ge.o.pol.i.tics

n.(used with a sing. verb)（名詞）（與單數(shù)動詞連用）
The study of the relationship among politics and geography, demography, and economics, especially with respect to the foreign policy of a nation.
地緣政治學：研究政治、地理、人口和經(jīng)濟之間關系的學科，尤其著眼于一個國家的外交政策

A governmental policy employing geopolitics.
地緣政治政策：根據(jù)地緣政治學制定的政策
A Nazi doctrine holding that the geographic, economic, and political needs of Germany justified its invasion and seizure of other lands.
生存空間說：一種法西斯學說，以德國對地理、經(jīng)濟和政治的需要證明其侵略和掠奪別國是正確的
A combination of geographic and political factors relating to or influencing a nation or region.
政治地緣：有關或影響一個國家或地區(qū)的地理和政治因素

【引伸】
ge.opolit.ical
ge.opolit.ically
adv.（副詞）
ge.opol.iti.cian