In the country 's teeming capital , tehran , the repression is a shade less overt .

在伊朗拥挤的首都德黑兰，镇压渐趋隐蔽。

Salmon need rivers which are quickly blocked and fouled by human development , and the teeming runs of old are now rare .

鲑鱼生存所需的河流由于人类的开发而很快被阻隔和污染，过去多产的鲑鱼群回游现象如今已不多见。

Anyone who grew up , as I did , in teeming england will be struck by how sparsely inhabited the us still is .

任何一个像我这样，在拥挤的英格兰长大的人，都会为美国人烟仍如此稀少感到震惊。

The food crisis of the past 18 months has sharpened worries about how to feed the teeming slums .

过去18个月的食物危机加剧了对如何养活拥挤的贫民窟的忧虑。

Fewer teeming masses in africa ( the population of which the u.n. projects will triple by 2100 ) would be a good for our fragile planet , according to people in the united states .

在非洲少拥挤的群众（人口联合国项目将三到2100年）将会是一个很好的为我们脆弱的行星上根据美国人的健康。