n.美国兵
adj.兵士的；军用的；符合军事法规的；要求严守军纪的

原形：GI复数：GIs

The Great Barrier Reef is a remarkable example of a geological formation.
大堡礁是一个显著的地质构造的例子。
Geologists study the history of the Earth through the analysis of its geological formations.
地质学家通过研究地球的地质构造来了解其历史。
She has a degree in Geological Engineering, specializing in mineral exploration.
她拥有地质工程学学位，专攻矿产勘探。
Volcanic activity has significantly shaped the geography of this region.
火山活动极大地影响了这个地区的地理形态。
The tectonic plates beneath the Earth's surface are responsible for earthquakes and mountain ranges.
地壳下的板块运动是地震和山脉形成的根源。
The geological time scale is divided into eras, periods, and epochs to classify fossils and rock layers.
地质时间尺度将岩石层和化石分类为代、纪和世。
Geologists use radiometric dating techniques to determine the age of ancient rocks.
地质学家利用放射性同位素测年法来确定古老岩石的年龄。
Natural gas extraction from shale formations requires advanced drilling methods.
从页岩层开采天然气需要先进的钻探技术。
The discovery of new fossil fuels often depends on geological surveys of potential deposits.
新化石燃料的发现往往依赖于对潜在储存地的地质勘查。
Geological hazards, like landslides and earthquakes, can have devastating effects on human populations.
地质灾害，如山体滑坡和地震，会对人类居住区造成毁灭性的影响。