Word · Frequency #2261
seventy
七十
seventy
- 1.
the cardinal number that is the product of ten and seven
十与七的乘积,即基数七十
十与七的乘积,即基数七十
In use
Seventy is the number of days in the project, so we have plenty of time.
Please write seventy at the top of the answer sheet.
The child counted all the way to seventy without making a mistake.
seventy [plural noun]
直接修饰可数名词复数。
There are seventy students in the class.
班上有七十名学生。
in one's seventies
表示年龄介于70到79岁之间。
My grandfather is in his seventies.
我的祖父七十多岁。
seventy percent of [noun]
表示百分比，后接名词。
Seventy percent of the work is done.
百分之七十的工作已经完成。
the seventy [plural noun]
特指某一组七十个事物。
The seventy delegates voted unanimously.
这七十名代表一致投票。
Common mistakes
I have seventy book on the shelf.I have seventy books on the shelf.
英语中，数词seventy后接可数名词要用复数形式，而汉语没有复数变化，学习者容易忽略加-s。
My grandmother is seventy years old.My grandmother is seventeen years old.
学习者可能混淆seventy和seventeen的发音或拼写，导致语义错误。应使用正确的数字表达实际年龄。
Connections
Collocations
- seventy years old
- 七十岁
- My grandmother is seventy years old.我的祖母七十岁了。
- seventy percent
- 百分之七十
- Seventy percent of the students passed the exam.百分之七十的学生通过了考试。
- seventy dollars
- 七十美元
- The ticket costs seventy dollars.这张票售价七十美元。
- seventy people
- 七十人
- There were seventy people at the meeting.有七十人参加了会议。
- seventy miles per hour
- 每小时七十英里
- The speed limit is seventy miles per hour.限速为每小时七十英里。
- seventy pages
Learner notes
Memory Tip
七乘以十等于七十
Context & Register
中性，常用于计数、年龄、数量等场合
Pronunciation & Spelling
No words perfectly rhyme with 'seventy' due to its distinct stress and consonant sequence. Words like 'twenty' and 'plenty' share the '-enty' spelling but have different vowel lengths and consonant clusters. Other '-ty' numbers differ in vowel sounds.
Usage priority
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.