inner core 內核,
outer core 外核,
plate 板塊,
volcanic 火山巖,
limestone石灰石,
quartzite石英巖,
granite花崗巖,
sedimentary rock沉積巖,
continent 大陸,
continental shelf大陸架,
the Northern Hemisphere北半球,
Longitude經度,
Latitude緯度,
Meridian 子午線,
the North Pole北極,
the South Pole南極,
the Antarctic Continent南極洲,
hillside 山坡,
mountain slope山坡,
desert沙漠,
cliff山崖,
Grand Canyon大峽谷,
valley山谷,
basin盆地,
peninsula半島,
coral island珊瑚島,
coastline海岸線,
delta三角洲,
upper reaches上游,
lower reaches下游,
tributary 支流