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- One revolution of the earth around the sun take a year. 地球绕太阳运行一周需一年时间。
- The revolution of the earth causes day and night. 地球的自转形成白天和夜晚。
- One revolution of the earth around the sun takes a year. 地球绕太阳运行一周需一年时间。
- The annual revolution of the earth round the sun causes the revolution of the seasons. 地球每年绕太阳公转而形成四季循环。
- The revolution of the earth on its axis round the sun. 地球以太阳为轴的旋转。
- The revolution of the earth about the sun takes one year. 地球绕太阳转动一周需要一年时间。
- 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。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着？
- The annual revolution of the earth round the sun causes the revolution of the season. 地球每年绕太阳公转而形成四季循环。
- The heated air drinks up the moisture of the earth. 热空气把土里的湿气都吸干了。
- The annual revolution of the earth round the sun cause the revolution of the season. 地球每年绕太阳公转而形成四季循环。
- What is it like in the bowels of the earth? 地球内部是什么样子？
- Measured by the revolution of the moon. 以月球公转量度的
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- They think of themselves as the salt of the earth. 他们自认为是社会中坚。
- The boy asked what lay in the bosom of the earth. 那男孩问地球内部是什么。
- The first blades of grass speared out of the earth. 第一批青草的叶片破土而出。
- Geologists have calculated the age of the earth. 地质学家已经计算出了地球的年龄。
