twelve

• 数词，表示数字12。也可指十二个（人或事物）的一组。

A numeral (not an adjective) representing the number 12.

1. Quantity of twelveA1formal

   Denoting a quantity consisting of 12 items or units.

   十二的量

   • There are twelve months in a year.
   • She bought twelve apples at the market.
   • The clock struck twelve at midnight.

   同义词dozen

• 数词，表示十一加一的和，即数字12。也可指十二个（人或物）一组，或第十二。

A noun referring to the cardinal number that is the sum of eleven and one.

1. The number 12A1formal

   The cardinal number that is the sum of eleven and one.

   十二

   • There are twelve months in a year.
   • She bought a dozen eggs, which is twelve.
   • The clock struck twelve at midnight.

   同义词dozen

• 基数词，表示十二个事物、人或计数单位；也是“一打”概念的基础；可用作数词、量词或代词。

The cardinal numeral representing the quantity of twelve units; the twelfth positive integer following eleven; a highly composite number (divisible by 1, 2, 3, 4, 6, 12) historically fundamental to measurement systems, timekeeping, and commerce (dozens, hours, months). Also functions as a noun (denoting the symbol, quantity, or group of twelve), adjective/determiner (modifying nouns to indicate quantity), and pronoun (standing in for a plural noun phrase).

1. Cardinal numeral: the number 12A1formal

   Used to denote a quantity of twelve persons or things; the twelfth positive integer in the sequence of natural numbers; a highly composite number widely used in traditional measurement, timekeeping, and commerce; represents a duodecad, dozen, or twelvefold quantity in counting, mathematics, and everyday usage.

   基数词：数字12

   • There are twelve months in a year.
   • She bought twelve eggs for the recipe.
   • Twelve plus twelve equals twenty-four.
   • The clock strikes twelve at midnight.
   • He scored twelve points in the final quarter.

2. Noun: the number, symbol, or group of twelveA2formal

   A noun referring to the cardinal number twelve; the numeral symbol 12 or XII; a set, collection, or group consisting of twelve items; commonly known as a dozen; a team, ensemble, or musical group of twelve members.

   名词：数字、符号或十二个一组

   • The number twelve is often associated with completeness in cultural traditions.
   • Order a dozen roses, or simply say 'I want a twelve'.
   • The jazz twelve performed a complex arrangement at the festival.
   • He rolled a twelve with three six-sided dice.
   • In rugby union, the twelve refers to the outside centre position.

3. Adjective/Determiner: amounting to twelveA1formal

   Used attributively before a noun to indicate that the quantity or number of the noun is twelve; modifies plural countable nouns to specify exact quantity.

   形容词/限定词：数量为十二的

   • They rented a twelve-seater van for the trip.
   • We need twelve more signatures to finalize the petition.
   • The blueprint requires twelve wooden beams.
   • She worked twelve consecutive hours during the holiday rush.
   • Twelve European nations adopted the new policy.

4. Pronoun: twelve people or things (plural)B1formal

   Used as a pronoun to refer to twelve previously mentioned or understood persons or things; takes plural verb agreement.

   代词：十二个人或事物

   • Fifty applied, but only twelve were invited for the final round.
   • I invited twenty colleagues; twelve confirmed their attendance.
   • How many copies should we print? — Twelve will be enough.
   • Several bands auditioned, but twelve advanced to the semifinals.
   • Of the essays submitted, twelve were selected for publication.