quadruple

FREQ #29228 ★☆☆☆☆

a. 四倍的, 四重的, 四部分组成的 n. 四倍 vt. 使成四倍 vi. 成为四倍

发音

UK /ˈkwɒd.ɹʊ.pəl/
UK /kwɒˈdɹuː.pəl/
US /kwɑˈdɹu.pəl/
US /kwɑˈdɹʌp.əl/
US /ˈkwɑd.ɹə.pəl/

词形变化

quadruples 复数 quadruples quadrupled quadruples 三单 quadrupling quadrupling 现在分词 quadrupled 过去式 quadrupled 过去分词

释义与例句

n.
  1. 1.

    Something that is four times the usual number, amount, size, etc.

  2. 2.

    A figure-skating jump with four revolutions in the air.

    体育
v.
  1. 1.

    To multiply by four.

    及物

    Quadrupling four gives sixteen.

  2. 2.

    To increase by a factor of four.

    不及物

    Our profits quadrupled when we made the improvements.

  3. 3.

    To provide four parallel running lines on a given stretch of railway.

    交通
adj.
  1. 1.

    Being four times as long, as big or as many of something.

    He's quite an athlete and can do quadruple jumps with ease.

词汇关系

名词

同义词 3

quartet quadruplet quartette

上位词 2

set multiple
动词

上位词 2

multiply manifold
形容词

同义词 3

fourfold quadruplex quadruplicate

近义相关 1

multiple

相关短语

quadruple double quadruple witching quadruple thread quadruple scull quadruple bluff quadruple star quadruple stars quadruple star system quadruple star systems quadruple whole quadruple wholes quadruple bluffs quadruple bluffing quadruple bluffed quadruple threads

词源

From Middle English quadruple, from Latin quadruplus. Can be analyzed as quadri- + -ple.

来源：wiktionary