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- The basic question of philosophy is the origin of the earth. 哲学的根本问题是关于世界的本源问题。
- 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。
- Nothing like a complete picture of the origin of the earth has been devised. 关于地球起源，尚未提出一个完善的图景。
- What was the origin of the quarrel? 这场争吵的起因是什么?
- 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。
- Scientists speculate on the origin of the universe. 科学家们猜测宇宙的起源。
- 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 origin of the universe is an ageless topic. 关于宇宙的起源的问题是个永恒的论题。
- 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。
- It has nothing to say to the origin of the word. 这与该词的词源毫无关系。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Sought to localize the origin of the rumor. 试图找到谣言开始的地方。
- The exact origin of the word April is not known. april(四月)这个词的确切来源并不为人所知。
