1
seventeen + noun
表示数量，后接可数名词复数。
There are seventeen students in the class.
班上有十七名学生。
十七
先理解核心含义，再看它在真实句子里的用法。
十七；十七个
The cardinal number occurring after sixteen and before eighteen, represented in Roman numerals as XVII and in Arabic numerals as 17.
There are seventeen students in the class.
班上有十七名学生。
十七
The cardinal number occurring after sixteen and before eighteen, represented in Roman numerals as XVII and in Arabic numerals as 17.
There are seventeen apples in the basket.
篮子里有十七个苹果。
My sister will be seventeen next month.
我妹妹下个月就十七岁了。
The journey takes about seventeen hours by train.
坐火车这段旅程大约需要十七个小时。
表示数量，后接可数名词复数。
There are seventeen students in the class.
班上有十七名学生。
表示年龄。
She is seventeen years old.
她十七岁。
表示整体中的一部分。
Seventeen of the apples are rotten.
这些苹果中有十七个坏了。
Not this
I seventeen years old.
Use this
I am seventeen years old.
中文表达年龄时可以直接用数字，但英语必须使用系动词'am'来连接主语和年龄。
Not this
I live on seventeen floor.
Use this
I live on the seventeenth floor.
表达楼层编号应使用序数词'seventeenth'，并加定冠词'the'，基数词'seventeen'表示数量而非顺序。
Not this
I have seventeen money.
Use this
I have seventeen dollars.
基数词不能直接修饰不可数名词'money'，需要加上可数名词单位（如'dollars'）表示具体货币单位。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
十七岁
She is seventeen years old.
她十七岁。
十七个人
There were seventeen people at the party.
派对上有十七个人。
十七美元
The book costs seventeen dollars.
这本书十七美元。
十七次
He called me seventeen times yesterday.
他昨天给我打了十七次电话。
十七个小时
The flight takes seventeen hours.
飞行需要十七个小时。
十七天
We will be on vacation for seventeen days.
我们将休假十七天。
我又十七岁了！
In the movie '17 Again', the main character exclaims, 'I'm seventeen again!'
在电影《重返十七岁》中，主角感叹道：‘我又十七岁了！’
我十七岁，我发烧了
In Troye Sivan's song 'Seventeen', he sings, 'I was seventeen, I had a fever.'
在特洛伊·希文的歌曲《Seventeen》中，他唱道：‘我十七岁，我发烧了。’
发长 /iː/ 音 (如 see, free)
Use seventeen naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象七个苹果加上十个橙子，总共十七个水果，加深对数字组成的记忆。
通常用于计数或表示年龄，比较中性，无特定语体差异。
All -teen numbers rhyme with seventeen. Note that words like 'seven' end in '-en' and sound different.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.