单词 | Tethys |
释义 | Tethys/ˈtɛθɪs /1 Greek Mythology A goddess of the sea, daughter of Uranus (Heaven) and Gaia (Earth). 2 Astronomy A satellite of Saturn, the ninth closest to the planet and probably composed mainly of ice, discovered by Cassini in 1684 (diameter 1,050 km). 3 Geology An ocean formerly separating the supercontinents of Gondwana and Laurasia, the forerunner of the present-day Mediterranean. |
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