exoplanet

IPA/ˈeksəʊplænɪt/
IPA/ˈeksəʊplænɪt/

exoplanet — 名詞

  • exoplanetsingular
  • exoplanetsplural

1. a world that goes around a star beyond the Sun, not one in our own solar system.

1.名詞C1
釋義

系外行星

在太陽系外繞恆星運行的行星

a world that goes around a star beyond the Sun, not one in our own solar system.

例句

Valentina cheered when the telescope team confirmed a rocky exoplanet.

Valentina 在望遠鏡團隊確認一顆岩石系外行星時，高興得歡呼。

discover/confirm an exoplanet

A small exoplanet was found around a cool red star.

一顆小型系外行星在一顆較冷的紅矮星旁被發現。

passive: exoplanet was found

常見搭配
  • rocky exoplanet
  • Earth-like exoplanet
  • distant exoplanet
  • discover an exoplanet
  • exoplanet orbiting a star
同義詞
  • extrasolar planet

    formal technical synonym often used in astronomy writing

  • alien world

    more journalistic and less exact than the scientific term

  • planet

    broader term that also includes worlds in our solar system

文法句型

discover an exoplanet

exoplanet orbiting a star

Earth-like exoplanet

用法筆記

Usually countable and mainly used in science writing or science news. Writers often add words such as 'rocky', 'Earth-like', or 'distant' to describe the kind of world being discussed.

常見錯誤

Scientists found an exoplanet in our solar system.
Scientists found a planet in our solar system.
'exoplanet' is only used for planets beyond our solar system.
The article described an exoplanet of another star.
The article described an exoplanet orbiting another star.
English normally says an exoplanet 'orbits' a star.

同根字

常見搭配

常用片語

  • rocky exoplanet
  • Earth-like exoplanet
  • distant exoplanet