水云间秋忆
13岁英语是thirteen years old.
thirteen基本解释：
n. 十三；十三岁；十三个。
num. 十三。
adj. 十三的，十三个的。
thirteen 变化形式：
复数： thirteens。
易混淆的单词： Thirteen。
例句：
I was thirteen years old. I wore steel-rimmed glasses and I was a very solemn boy.
那年我十三岁了,戴着-副银边眼镜,是个不苟言笑的男孩。
I spent some parts of every year at the farm until I was twelve or thirteen years old.
在我十二、三岁前,每年都有一-段时间是在农场度过的。
He and I are both thirteen years old. but I am older than he, and I am fatter than he too.
他和我都是十三岁。但我比他年长一点,我也比他胖一点。
我想文文静静
1、At the age of 13
2、13 years old
3、13 years of age
4、on the 13th birthday
例句：
1、I am 13 years old this year.
2、I am 13 this year.
3、My age is 13 this year.
表示年龄常用方法：
(1) 一般直接用基数词表示，如：
Her daughter is eighteen. 她的女儿18岁。
(2) 用“基数词 + years old”表示，有时可将years old 换成years of age。如：
Her daughter is eighteen years old. / Her daughter is eighteen years of age. 她的女儿18岁。
(3) 用“at the age of +基数词”表示。如：
Her daughter got married at the age of eighteen. 她的女儿18岁就结了婚。
(4) 用“基数词-year-old”表示，此结构常做(前置)定语。如：
Her 18-year-old daughter is now in the university. 他18岁的女儿现在上大学。
(5) 用“of + 基数词”表示，此结构常做后置定语。如：
Her daughter is now a pretty girl of 18. 她女儿现在一个18岁的美少女了。
(6) 用“aged +基数词”表示，此结构常做后置定语。如：
Lying on the floor was a boy aged about seventeen. 躺在地板上的是一个约莫十七岁的男孩。
(7) 用“be in one’s +几十的复数形式”表示某人大概的年龄。如：
He went to the United States in his fifties. 他五十多岁时去了美国。
