1·Furthermore, the squalid, cramped quarters that encourage diseases to propagate among many animal populations are actually the residental choice for insects.
此外，肮脏、拥挤的住所促进疾病在许多动物种群中扩散，这实际上是昆虫对居住地方的选择。
2·Most obviously, the health consequences of poverty and squalid living conditions are contagious in a city setting. They are detrimental to all city dwellers.
最明显的是，在城市环境中，贫穷和肮脏生活条件的健康后果具有传染性，对所有城市居民都有害处。
3·People do not really live in such squalid conditions.
在这种肮脏的条件下，人们并不能真正地生活。
4·All this suggests that the filthy cities of the urbanising world can, and will, clean themselves up, just as the squalid cities of the rich world have done.
所有的这一切都表明，处于世界性城市化进程中的肮脏城市能够干净起来。 他们也都会让自己干净起来，就像富裕国家的肮脏城市做过的那样。
5·Promptly the passage was full of squalid shirt-clad figures rushing for the bathroom, for there was only one tub full of water between us all in the morning, and it was first come first served.
走廊里迅速挤满肮脏的套着衬衣的身躯，争先恐后奔向浴室，因为早晨给所有人用的水只有一浴盆，谁先到谁先洗。