随着日子一天天过去，潮湿的黑霉菌开始在他身上生长。

As the days passed, a damp black mould began to grow on him.

youdao

随着日子一天天过去，他越来越绝望。

With every day that passed he became ever more despairing.

《牛津词典》

随着日子一天天过去，花粉变得又干又硬。

As the day goes on, the pollen dries up and becomes hard.

《柯林斯英汉双解大词典》