The Moon is the only natural satellite of the Earth. The natural satellites of the other planets in the solar system are also sometimes referred to as moons. Telescopes have revealed a wealth of lunar details since their invention in the 17th century, and spacecraft have contributed further knowledge since the 1950s.
- moon [mu:n] n. 月球
- satellite [ˈsætəlait] n. 人造卫星
- solar system [ˈsəulə - ˈsistəm] n.太阳系
- refer to sb / sth as … [riˈfə: - tu: - ˈsʌmbədi / ˈsʌmθiŋ] v. 称某人/某物为……
- reveal [riˈvi:l] v. 揭示，显示
- a wealth of [ə - welθ - əv] adj. 很多的
- lunar [ˈlju:nə] adj.月球的
- spacecraft [ˈspeiskrɑ:ft] n.宇宙飞船
- contribute [kənˈtribjut] v. 贡献
