Here is the text with English and Chinese translation alternating:
Mountains are land forms higher than 2000 feet or about 600 meters above sea level.
山脉是高于海平面2000英尺或约600米的地形。
Hills are like mountains but not as tall.
丘陵像山脉但没有那么高。
Mountains are formed by forces deep within the Earth, and are made of different types of rocks.
山脉是由地球深处的力量形成的，由不同类型的岩石构成。
Rivers are streams of water that usually begin in mountains and flow into the sea.
河流是水流，通常发源于山脉并流入大海。
Many early cities were built alongside rivers.
许多早期城市都建在河流沿岸。
Most of the world's water is in the oceans, which are large bodies of salt water.
世界上大部分的水都在海洋中，海洋是大片的咸水水体。
The oceans are also an important source of oxygen.
海洋也是氧气的重要来源。
Deserts are areas of land that receive little or no rainfall.
沙漠是降雨量很少或没有降雨的陆地区域。
The amount of rainfall in some deserts is so low that only a few plants can survive.
一些沙漠的降雨量如此之少，以至于只有少数植物能够生存。
A valley is a low relatively flat area between hills or mountains, often with a river running through it.
山谷是位于丘陵或山脉之间相对平坦的低洼地区，通常有河流流经其中。
Some valleys are formed by flowing water, and others are formed by glaciers.
一些山谷是由流水形成的，另一些则是由冰川形成的。
Here is the text with English and Chinese translation alternating:
The Pacific Ocean is the largest and deepest ocean, covering more area than all the continents put together.
太平洋是最大最深的海洋，覆盖的面积比所有大陆加起来还要大。
Desert temperatures can range from cold at night to very hot during the daytime, often above 120 degrees F.
沙漠温度可以从夜间的寒冷到白天的酷热，通常超过华氏120度。
