a narrow passage of water connecting two larger bodies of water, often linking two seas or an inlet with a larger expanse of water

海峡, 狭水道
a large mass of ice that forms over long periods of time, especially in polar regions or high mountains

冰川, glaciers
an expansive flat land covered in grass, scattered with trees, and found in tropical or subtropical areas

草原, 热带草地
one of the imaginary lines between the North Pole and the South Pole, drawn on maps to help pinpoint a location

子午线, 经线
the arrangement of the natural and artificial physical features of an area, including elevation, slope, landforms, and bodies of water

地形, 地貌
an area of soft, wet, low-lying land, typically characterized by grasses and other non-woody plants, and often found at the edges of lakes, rivers, or coastal areas

沼泽, 湿地
a natural hot spring that periodically erupts with a column of boiling water and steam due to underground volcanic activity

间歇泉, 喷泉
a shallow body of water separated from a larger body of water, often by a barrier island, coral reef, or sandbar

潟湖, 环礁湖
the distance between an object or point and sea level

高度, 海拔
a large rock, usually one that has been shaped by natural forces such as water or ice

巨石, 大石头
a beach or shoreline covered with small, smooth, rounded stones or pebbles, typically found along coasts or riverbanks

卵石滩, 鹅卵石海滩
