thirteen，英文单词，主要用作为名词、
数词、形容词，作名词时译为“十三；十三岁；十三个”；作数词时译为“十三”，作形容词时译为“十三的；十三个的”。
NUM Thirteen is the number 13. 13
He ran away from home at the age of thirteen.
During the expedition, they trekked ten to thirteen hours a day.
She was baptized when she was a month old and confirmed when she was thirteen.