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- Earth quakes can result from stresses in the earth rs crust. 地壳内的应力可能引起地震。
- the loose mass of the earth rs crust 一层松散物质
- Earth rs crust 地壳
- Most of the earth rs surface is covered by water. 大部分的地球表面被水覆盖着。
- The sun appears to rise and set because of the earth rs rotation. 因为地球在自转，看上去就有了日出和日落。
- Lunar eclipse occurs when the earth rs shadow falls on the moon. 地球的影子落在月球上时，就发生月蚀。
- Children supporting their parents is nature rs law and earth rs way. 子女奉养父母是天经地义的。
- The earth's crust is between 5 and 25 miles thick. 地壳有五至二十五英里厚。
- Earth quakes can result from stresses in the earth's crust. 地壳内的应力可能引起地震。
- earth rs line of maximum atmospheric gradient 地球最大大气梯度线
- earth rs gravitational field model 地球重力场模型
- reentry into the earth rs atmosphere 重入地球大气层
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Strains in the Earth's crust seem to pile up. 地壳的应力似乎一直在积聚着。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- Robot to study hole in Earth's crust. 机器人探秘地球大洞。
- The opening of a volcano in the earth's crust. 地壳中的火山的开口。
- The crust of the earth is comparatively thin. 地壳比较薄。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
