thirty
thirty — number
1. used to say that there are 30 people or things, or that an amount, age, time, or
used to say that there are 30 people or things, or that an amount, age, time, or measurement is 30
Quan invited thirty classmates to his birthday party at the park.
The temperature outside reached thirty degrees by noon today.
collocation: thirty degrees for temperature
Soraya has been learning Spanish for about thirty minutes each day.
Only thirty tickets were sold for the evening show last Friday.
A bus that can carry thirty passengers stopped at the corner.
常見錯誤
thirty — noun
1. the number 30 when you mention it as a number name, written figure, or value, ra
the number 30 when you mention it as a number name, written figure, or value, rather than using it to count things
Thirty is Vivek's lucky number, so he chose seat thirty on the train.
thirty used as a noun subject
Write the number thirty at the top of your answer sheet.
Vinícius guessed the number thirty during the game and won a prize.
The label on the package said size thirty, but the shoes were too large.
用法筆記
This noun use often appears after words like number, page, size, or seat. When you are counting things directly, use the number sense instead: 'thirty students,' not 'a thirty students.'
常見錯誤
2. the numbers from 30 to 39, especially when talking about a person's age, a tempe
the numbers from 30 to 39, especially when talking about a person's age, a temperature range, or a decade in a century
Élise is in her thirties and works as a nurse at the city hospital.
in + possessive + thirties for age range
The temperature in July often stays in the low thirties in southern Spain.
Christopher spent his early thirties traveling through Southeast Asia.
The fashion of the nineteen thirties is famous for elegant dresses and hats.
文法句型
in + possessive + thirties
the + nineteen + thirties
low + thirties
用法筆記
For age, use the plural form with a possessive determiner: 'in her thirties.' For decades and temperature ranges, use 'the thirties' or modifiers like 'low,' 'mid,' and 'late' without a possessive.