non-renewable

/ˌnɒn rɪˈnjuːəbl/ (bre, ipa) · /ˌnɑːn rɪˈnuːəbl/ (ame, ipa)

non-renewable — adjective

1. used for things such as oil, coal, or gas that exist in a fixed amount and do no

1.形容詞B2
釋義

used for things such as oil, coal, or gas that exist in a fixed amount and do not come back once people use them up.

例句

Coal remains a <hl>non-renewable</hl> fuel, so the mine will empty one day.

collocation: non-renewable fuel

Yara's science class compared <hl>non-renewable</hl> gas with wind power.

同義詞
  • finite

    broader; any amount with a limit, not only energy or materials

  • exhaustible

    more formal; stresses that use can empty the supply

  • depletable

    technical; focuses on gradual reduction through use

反義詞
  • renewable

    can be replaced naturally or produced again after use

  • replenishable

    emphasizes that the supply can be filled again

文法句型

non-renewable + fuel/resource/material

be + non-renewable

用法筆記

Most often modifies fuel, energy, resource, or material nouns in environmental discussions. It contrasts with renewable, which describes things that can be replaced naturally or repeatedly.

2. used for a contract, pass, permit, or similar document that ends on a set date a

2.形容詞B2
釋義

used for a contract, pass, permit, or similar document that ends on a set date and cannot be extended into another period.

例句

The gym sold a <hl>non-renewable</hl> three-month pass for summer visitors.

collocation: non-renewable pass

Ryo accepted a <hl>non-renewable</hl> one-year teaching contract in Busan.

同義詞
  • fixed-term

    close for jobs or agreements with a set end date

  • non-extendable

    close in meaning; emphasizes that extra time is not allowed

反義詞
  • renewable

    can be extended for another period

  • extendable

    focuses on the possibility of adding more time

文法句型

non-renewable + contract/permit/visa/pass

be + non-renewable

用法筆記

Most often modifies nouns such as contract, visa, permit, pass, or lease. It focuses on the rule that no extra time can be granted after the end date, not on whether the document is valid before then.