earth's; earthly; telluric; terrestrial

1. 地質學家已經計算出了地球的年齡。
   Geologists have calculated the age of the earth.
2. 這篇文章的主要內容是金星對地球的重要性。
   The main idea of this passage is about the importance of Venus to Earth.
3. 月球對地球的吸引力造成潮汐。
   The attraction of the moon for the earth causes the tides.
4. 地球的圓周長約為兩萬五千英里。
   The circumference of the earth is almost 25,000 miles.
5. 地球儀是表現(xiàn)地球的器具。
   A terrestrial globe is one that represents the earth.

地球的英語翻譯：