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- The curvature of the earth limits a microwave's line-of-sight path to about 30 miles. 地球表面的弯曲度把微波的直线轨迹限制到30英里左右。
- 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。
- It seemed obvious that the curvature of the Earth across the Atlantic would prevent this idea. 横跨大西洋的地球弧度会使这个想法不能实现，这似乎是显而易见的。
- 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 curvature of the spine was astonishing. 他的脊梁弯曲得怕人。
- 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。
- What is it like in the bowels of the earth? 地球内部是什么样子？
- 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 condition of such a curvature of the legs. 弓形腿弓形腿的状态
- 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。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- They accommodate by greatly changing the curvature of the cornea. 它们由大大地改变角膜曲率的方法来调节。
- 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 earth's atmosphere filters out much of the sun's radiation. 地球大气层可以滤掉太阳的大部分射线。
- The locus of the centers of curvature of a given curve. 渐屈线一给定曲线率中心的轨迹
