quadruple

quadruple — 動詞

IPA/ˈkwɒdrʊpl/
KK[kwɑdrˈupəl]IPA/kwɑːˈdruːpl/
  • quadruplepresent simple I / you / we / they
  • quadrupleshe / she / it
  • quadrupledpast simple
  • quadrupling-ing form

1. to grow to four times the original size, amount, or number; or to make something

1.動詞及物 / 不及物B2
釋義

增至四倍

變成原本的四倍大或使某物變成四倍

to grow to four times the original size, amount, or number; or to make something reach that level

例句

Luca quadrupled his investment when the small tech company went public last spring.

Luca 投資的那家小型科技公司去年春天上市,他的投資額因此增至四倍。

transitive: quadruple + noun phrase

The number of students at the university has quadrupled in the past twenty years.

過去二十年間,這所大學的學生人數已增至四倍。

同義詞
  • quadruplicate

    very formal, rare; almost never used outside legal or technical contexts

  • increase fourfold

    equivalent meaning but periphrastic rather than single-word

反義詞
  • halve

    reduce to half the original size or number

  • quarter

    reduce to a fourth of the original size or number

文法句型

quadruple in [size/number/value]

quadruple + noun phrase

be quadrupled

用法筆記

Frequently used in business and economic contexts to describe growth. The transitive form always takes a direct object representing the thing that increases.

常見錯誤

The population is quadruple every ten years' (using adjective as verb).
The population quadruples every ten years.
💡'quadruple' as a verb changes form (quadruple/quadruples/quadrupled).

quadruple — 形容詞

IPA/kwɒdˈruː.pəl/
KK[kwɑdrˈupəl]IPA/kwɑːˈdruː.pəl/

quadruple — 名詞