在当代社会，明星或者那些所谓的超级巨星为各种各样的产品发言或者成为它们的代言人是很常见的。
In the contemporary society, it is very common for celebrities, or the so-called superstars, to be spokesmen or representatives for a wide variety of products.
环绕这颗恒星公转的行星与众不同——其质量仅约为12 颗地球，可能是一颗巨星岩石行星：所谓的“超级地球”。
The planet orbiting this star is very different -- with a mass of only about 12 Earths it is likely to be a giant rocky planet: a so-called "super-Earth."
环绕这颗恒星公转的行星与众不同——其质量仅约为12 颗地球，可能是一颗巨星岩石行星：所谓的“超级地球”。
The planet orbiting this star is very different -- with a mass of only about 12 Earths it is likely to be a giant rocky planet: a so-called "super-Earth."
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