登录
a narrow passage of water connecting two larger bodies of water, often linking two seas or an inlet with a larger expanse of water
困难
a large mass of ice that forms over long periods of time, especially in polar regions or high mountains
冰川
an expansive flat land covered in grass, scattered with trees, and found in tropical or subtropical areas
树木稀疏的平原
one of the imaginary lines between the North Pole and the South Pole, drawn on maps to help pinpoint a location
子午线
the arrangement of the natural and artificial physical features of an area, including elevation, slope, landforms, and bodies of water
地形
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
a natural hot spring that periodically erupts with a column of boiling water and steam due to underground volcanic activity
喷泉
a narrow piece of land with water on each side that connects two larger areas
狭窄的道路或道路
a shallow body of water separated from a larger body of water, often by a barrier island, coral reef, or sandbar
泻湖
a large rock, usually one that has been shaped by natural forces such as water or ice
漂砾
a beach or shoreline covered with small, smooth, rounded stones or pebbles, typically found along coasts or riverbanks
卵石
