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- The earth crosses the tracks of certain comets. 地球穿过某些彗星的轨迹线。
- Earth crosses the orbit of Halley's Comet annually in October. 地球和哈雷彗星的轨道将于每年的十月份交叉。
- A large part of earth crossed over into the Great Central Sun Dream early this summer. 今年夏季早期，地球的一大部分跨越进大中枢太阳梦想之中。
- Earth crosses the orbit of Halley's Comet annually in October.The meteors are debris from this comet that enter Earth's atmosphere and vaporize as they fall. 地球运行轨道每年十月份与哈雷彗星运行轨道相交一次，相交时产生的冰碎块便进入地球大气层，并在落下时蒸发掉。
- 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。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- 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 machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- 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。
