fifth

• 表示顺序或位置排在第四之后、第六之前的形容词。也指五分之一的部分。

An adjective used to describe the position or element that comes after the fourth and before the sixth in a sequence.

1. Position in sequenceA1formal

   Coming next after the fourth and just before the sixth in a series or order.

   第五个

   • She finished in fifth place in the race.
   • The fifth chapter of the book is the most exciting.
   • He lives on the fifth floor of the apartment building.

• 名词，指五分之一加仑（美制）的酒精饮料量，也指序列中的第五个，或五个等份中的一份，或音乐中两音之间相隔五个音级的音程（即五度）。

A noun referring to a quantity of liquor equal to one fifth of a United States gallon, or a position five in a countable series of things, or one part in five equal parts, or the musical interval between one note and another five notes away from it.

1. Liquor bottle sizeB2informalamerican

   A unit of volume for alcoholic beverages, equal to one fifth of a US gallon (approximately 757 ml).

   五分之一加仑

   • He bought a fifth of whiskey for the party.
   • The store sells fifths of vodka at a discount.
   • She poured a drink from the fifth of bourbon.

2. Position in a sequenceA1formal

   The element that occupies the number five position in a countable series.

   序列中的位置

   • She was the fifth to arrive at the meeting.
   • The fifth chapter of the book is the most exciting.
   • He finished in fifth place in the race.

3. Fractional partA2formal

   One of five equal parts that make up a whole.

   五分之一

   • A fifth of the students failed the exam.
   • He owns a fifth of the company's shares.
   • Only a fifth of the budget was spent on marketing.

4. Musical intervalB2formal

   An interval spanning five diatonic scale degrees, such as from C to G.

   五度

   • The song begins with a perfect fifth interval.
   • He played a series of fifths on the piano.
   • The harmony is built on fifths and thirds.

   同义词quint

• 基数词，表示数量五，即五个物品、人或计数单位；也可作名词、定语或代词使用

The cardinal numeral representing the quantity of five units; the fifth positive integer following four; the second prime number ending in five. Also functions as a noun (denoting the symbol, quantity, or group of five), adjective/determiner (modifying nouns to indicate quantity), and pronoun (standing in for a plural noun phrase).

1. Cardinal numeral: the number 5A1formal

   Used to denote a quantity of five persons or things; the fifth positive integer in the sequence of natural numbers; a prime number that serves as the base of the decimal numeral system; represents a quintet, quintuplet, or quintuple quantity in counting, mathematics, and everyday usage.

   基数词：数字5

   • I have five fingers on each hand.
   • She ordered five sandwiches for lunch.
   • Five plus five equals ten.
   • They traveled for five weeks across Europe.
   • He scored five goals in the tournament.

2. Noun: the number, symbol, or group of fiveA2formal

   A noun referring to the cardinal number five; the numeral symbol 5 or V; a set, collection, or group consisting of five items; a playing card, domino, or die face displaying five pips; a team, ensemble, or musical group of five members.

   名词：数字、符号或五个一组

   • The number five is considered auspicious in some traditions.
   • Circle the fives in this sequence of numbers.
   • They formed a five to perform chamber music.
   • He played the five of diamonds in the card game.
   • In basketball, the starting five are the main players.

3. Adjective/Determiner: amounting to fiveA1formal

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

   数量为五的限定词/形容词

   • They stayed in a five-star hotel.
   • We need five assistants for the event.
   • The recipe calls for five cloves of garlic.
   • She completed five marathons last year.
   • Five countries signed the environmental treaty.

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

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

   代词：五个（人或物）

   • Ten applied, but only five were chosen.
   • I invited fifteen friends; five could not attend.
   • How many do you need? — Five will do.
   • Several teams competed, but five reached the finals.
   • Of the applications, five were shortlisted.