thirteenth
['θə:ti:nθ]
num.第十三
n.十三分之一
例句与用法：
The number thirteen is often considered unlucky.
十三这个数字常常认为是个不吉利的数字。
He ran away from home at the age of thirteen.
他十三岁那年就离家出走了。
The Dow-Jones average of industrial stocks fell by thirteen points today.
道琼斯工业股的平均指数今天下降了13点。
She was baptized when she was a month old and confirmed when she was thirteen.
她出生一个月时受洗礼，十三岁时行坚信礼。
How old is your sister? She is thirteen years old.
你的姊妹几岁？她十三岁。
He hadn't appeared in a film for thirteen years.
他已有十三年未在电影中露面了。
词形变化：
副词: thirstily | 形容词比较级: thirstier | 形容词最高级: thirstiest | 名词: thirstiness |
详细释义：
a.
1. (与the连用)第十三的, 第十三个的
my thirteenth birthday
我的十三岁生日
2. 十三分之一的
n.[C]
1. (与the连用)第十三(个); 月的第十三日
2. 十三分之一