一个十三岁的男孩用英语怎么说
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一个十三岁的男孩用英语怎么说
一个十三岁的男孩用英语怎么说
一个十三岁的男孩用英语怎么说
a thirteen-year-old boy
boy
a thirteen-year-old boy
①基数词+years old，常放在be动词后作表语。
My nephew is only five years old.
②“基数词-year-old”，常放在be动词后作表语。
She was an eight-year-old girl that year.
③at the ...
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a thirteen-year-old boy
①基数词+years old，常放在be动词后作表语。
My nephew is only five years old.
②“基数词-year-old”，常放在be动词后作表语。
She was an eight-year-old girl that year.
③at the age of…意为“在…岁时”。
At the age of twelve, the poor boy left his hometown and began to work in a factory in the town.
④in one’s fifties表示“在某人50多岁的时候”；同理，in one’s twenties表示“在某人20多岁的时候”，依此类推。
The man became manager of the big company in his thirties.
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A 13-year-old boy
a thirteen-year-old boy
a boy of 13 years
a boy at 13 years (at age)
a boy of 13 years