earth-science

/ˈɜːθ saɪəns/ (bre, ipa) · /ˈɜːrθ saɪəns/ (ame, ipa)

earth-science — noun

1. the area of science that examines the planet's structure, long history, weather,

1.名詞C1
釋義

the area of science that examines the planet's structure, long history, weather, oceans, and other physical systems.

例句

Tomás chose earth science because he wanted to understand how volcanoes erupt.

study earth science

Our earth science class built a model river to show how valleys change.

earth science class

同義詞
  • geoscience

    close in meaning, but often sounds more academic or institutional

  • earth studies

    often used as a course label rather than a broad academic field

文法句型

study earth science

teach earth science

earth science class

用法筆記

Usually uncountable when it names the field or a school subject, so people study or teach earth science. Distinguish from sense 2, which names one member of that wider group and often appears after 'an' or in the plural phrase 'earth sciences'.

常見錯誤

My favourite subject is an earth science.
My favourite subject is earth science.
💡use no article when you mean the field or school subject as a whole.

2. one science within the larger study of the planet, such as geology, meteorology,

2.名詞C1
釋義

one science within the larger study of the planet, such as geology, meteorology, or oceanography.

例句

Geology is an earth science that helps Lina read the history of rocks.

be an earth science

At the fair, Hari explained why meteorology is an earth science.

X is an earth science

同義詞
  • geoscience

    often used almost the same way, especially in academic names

文法句型

be an earth science

one of the earth sciences

用法筆記

This sense treats the term as one member of a group, so it commonly appears with 'an' or in plural lists such as 'the earth sciences'. Distinguish from sense 1, which names the whole field or school subject.

常見錯誤

Geology is earth science.
Geology is an earth science.
💡use 'an' when you mean one branch inside the larger field.