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- 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。
- 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。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- He dived his hand into the earth. 他将手插入泥土中。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- The insulation and the thermal mass, coupled with the gains from the conservatory and the buffering effect of the earth sheltering provide comfortable conditions. 一个热交换通风系统利用高效的12伏直流电扇来保证通往每个房间的气流，而近可能地减少其热量损失。
- Many kinds of animals have vanished from the earth. 许多动物已人地球上消失了。
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着？
- The heated air drinks up the moisture of the earth. 热空气把土里的湿气都吸干了。
- A sweet smell emanates from the earth after rain. 雨後一种香气从地面发散出来。
- There are millions of living things on the earth. 世界上有数以百万计的生物。
- He stabbed at the earth with his stick. 他拿手杖戳著地。
- Copernicus proved that the earth is round. 哥白尼证明地球是圆的。
- Long ago enormous animals lived on the earth. 很久以前，地球上生活着巨大的动物。
- The earth, sun and moon are spheres. 地球、太阳和月亮都是天体。
- What is it like in the bowels of the earth? 地球内部是什么样子？
- Like the earth, Mars goes round the Sun. 如同地球一样，火星绕太阳转。
