例句：
1、Thirteen months down, twenty-four years to go.
过去了13个月，还有24年。
2、She had to fend for herself from the age of thirteen.
她从13岁起就得独立生活。
3、My son's thirteen but he's young for his age.
我儿子十三岁了，但他比实际年龄显得小。
4、 'What time d'you make it?' — 'Thirteen past.'
“你的表几点？”——“整点过13分钟。”