expansion

expansion — 名詞

1. The process by which something becomes larger in physical size, greater in amoun

1.名詞B2
釋義

擴張;膨脹

在大小、數量或重要性上增長

The process by which something becomes larger in physical size, greater in amount or number, or wider in scope or importance — for example, when a company opens branches in new countries, a city adds more buildings and suburbs, or a heated gas fills a bigger volume.

例句

The company's rapid expansion into Asian markets created over 200 new jobs.

該公司快速擴張至亞洲市場,創造了超過 200 個新職缺。

collocation: expansion into [market/region]

Tuan measured the expansion of the metal rod when he heated it to 200 degrees.

Tuan 測量了金屬棒加熱到攝氏兩百度時的膨脹程度。

scientific context: thermal expansion of materials

同義詞
  • growth

    broader term; can refer to natural or organic increase, not necessarily deliberate

  • increase

    focuses on amount or number rather than physical size or scope

  • enlargement

    more specific to physical size; less common for abstract concepts like importance

  • extension

    suggests adding extra length or time to something already existing

反義詞
  • contraction

    the process of becoming smaller in size or less in economic activity

  • reduction

    focuses on decrease in amount, number, or degree

文法句型

expansion + of + noun (what is growing)

expansion + into + noun (new area or market)

adjective + expansion (rapid / major / gradual expansion)

用法筆記

Often used with of to name what is growing (expansion of the population) or with into to name a new area being entered (expansion into Europe). Can be countable when referring to a particular instance (a rapid expansion of the tech sector) or uncountable when speaking generally (rapid expansion can cause problems).

常見錯誤

The expansion of the company hired 50 people.
The expansion of the company created 50 new jobs.
💡'expansion' is a process, not a person or group that performs an action.