It was thirteen years since he had last seen her; she was fifty-three and he was seventy-one.

自他最后一次见到她，已过了13年；她已经53岁，而他已经71岁了。

youdao

Coffee prices have jumped almost fifty percent in six months. Prices have reached a thirteen-year high.

咖啡的价格六个月内上涨了近50%，达到13年来最高水平。

youdao

The report said home ownership of insecticide-treated nets had reached fifty percent in thirteen of the thirty-five African countries with the highest cases of malaria.

VOA: special.2010.04.20

Following the heavy pollution of the beach, the local population of this starfish fell from more than a hundred and fifty to just thirteen, pushing this particular colony to the edge of extinction.

BBC: News | UK | West Wales recovering from 'environmental disaster'

Obama sent in more than fifty thousand additional troops, and, for thirteen months, Petraeus himself led the effort.

NEWYORKER: General Principles

In 1932, Yale received thirteen hundred and thirty applications, and it admitted nine hundred and fifty-nine an acceptance rate of seventy-two per cent.

NEWYORKER: Live and Learn