ninety是什么意思 ninety的读音、翻译、用法

1. 发音

'ninety'的发音为 /ˈnaɪnti/，其中'i'和't'发音是轻微的，重音在第一个音节上。

例句：

- She's already ninety years old. (她已经九十岁了。)

- The price is ninety dollars. (价格是九十美元。)

2. 数字

'ninety'表示数字90，是一个两位数。

例句：

- There are ninety students in the class. (班里有九十名学生。)

- The temperature today is ninety degrees Fahrenheit. (今天的温度是华氏九十度。)

3. 意义

'ninety'可以用来表示时间、比例等。

例句：

- The store opens at eight in the morning and closes at ninety o'clock at night. (商店早上八点开门，晚上九点关门。)

- The recipe calls for ninety percent dark chocolate. (食谱要求用九十％的黑巧克力。)

4. 缩写词

'ninety'可以缩写成90。

例句：

- I woke up at 5:30, and by 9:00 I had already finished ninety percent of my work. (我早上5点半醒来，9点之前已经完成了九成的工作。)

- The plane flew at an altitude of 90,000 feet. (飞机飞行高度为九万英尺。)

5. 常用短语

'ninety'常用于以下短语：

- ninety-nine (99)：表示数字99。

- ninety-degree angle：直角。

- ninety days' notice：九十天通知期。

例句：

- The room temperature should be kept at ninety-nine degrees Fahrenheit. (房间温度应维持在华氏九十九度。)

- A square has four ninety-degree angles. (正方形有四个直角。)

- According to my lease, I need to give my landlord ninety days' notice before moving out. (根据我的租约，我需要在搬出前提前九十天通知我的房东。)