sixty

• 基数词，表示六十个事物、人或计数单位；是十的倍数，也可作名词、限定词或代词使用。

The cardinal numeral representing the quantity of sixty units; the sixtieth positive integer following fifty-nine; a composite number (2²×3×5); a round multiple of ten commonly used in counting, measurement, timekeeping (minutes, seconds), and age milestones. Also functions as a noun (denoting the symbol, quantity, or group of sixty), adjective/determiner (modifying nouns to indicate quantity), and pronoun (standing in for a plural noun phrase).

1. Cardinal numeral: the number 60A1formal

   Used to denote a quantity of sixty persons or things; the sixtieth positive integer in the sequence of natural numbers; a composite number (2²×3×5); represents a sixtyfold quantity in counting, mathematics, and everyday usage.

   基数词：数字六十

   • There are sixty minutes in an hour.
   • She scored sixty points in the tournament.
   • Sixty plus sixty equals one hundred twenty.
   • The vehicle travels at sixty miles per hour.
   • He completed sixty repetitions during the workout.

2. Noun: the number, symbol, or group of sixtyA2formal

   A noun referring to the cardinal number sixty; the numeral symbol 60 or LX; a set, collection, or group consisting of sixty items; a playing card displaying sixty (in extended decks); a team or ensemble of sixty members; in currency, a sixty-unit banknote.

   名词：数字、符号或六十的集合

   • The number sixty marks the diamond anniversary milestone.
   • Circle the sixties in this demographic analysis.
   • The choir consists of a sixty of vocalists.
   • In some card variants, the sixty holds special scoring value.
   • The procurement list includes a sixty of registered vendors.

3. Adjective/Determiner: amounting to sixtyA1formal

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

   限定词/形容词：数量为六十

   • They booked a sixty-day research expedition.
   • We need sixty additional badges for the conference.
   • The laboratory protocol requires sixty milliliters of the reagent.
   • She has sixty years of experience in academic publishing.
   • Sixty international delegations participated in the forum.

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

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

   代词：六十个人或事物

   • Six hundred applied, but only sixty were selected for the program.
   • I invited four hundred guests; sixty confirmed their attendance.
   • How many seats should we reserve? — Sixty will be ideal.
   • Several companies submitted proposals, but sixty advanced to the final review.
   • Of the manuscripts evaluated, sixty were accepted for publication.