comets

IPA/ˈkɒm.ɪt/
KK[kˈɑməts]IPA/ˈkɑː.mɪt/

comets — noun

  • cometssingular
  • cometsesplural

1. a large object in space made of ice, dust, and rock that follows a path around t

1.名詞B1
釋義

a large object in space made of ice, dust, and rock that follows a path around the sun. When it passes close to the sun, the ice turns into gas and forms a bright, long tail that can sometimes be seen from Earth.

例句

Devika saw a bright comet in the sky through her bedroom window last night.

The children learned that comets are made mostly of ice, dust, and small rocks.

collocation: made of ice, dust, and rock

同義詞
  • meteor

    a piece of rock or metal that burns brightly when entering Earth's atmosphere; much smaller than a comet and does not orbit the sun over a long period

  • asteroid

    a rocky object that orbits the sun but typically contains little ice and does not develop a tail

文法句型

a/the comet

comets (plural)

用法筆記

Comet is a countable noun: one comet, two comets.

常見錯誤

❌I saw a shooting star — it was a comet!
✅I saw a shooting star
💡it was a meteor!' — A comet is an icy object that orbits the sun and develops a tail; a meteor is a small rock burning up in the atmosphere.