这种单细胞生物吃糖，而且繁殖迅速——如果有足够的食料，他们的种群数量可以每九十分钟增加一倍。

This single-celled fungus feeds on sugars and reproduces frequently—if it has enough to eat, a culture can double in population in 90 minutes.

youdao

我认为我们应该每两个星期开一次会，但一次开九十分钟或是加长。

I think we should meet once every two weeks, but meet for ninety minutes or more.

youdao

南部被毁—每5名白人男子就有一人丧生，百分之九十的地区铁路与工厂遭到破坏。

The south was devastated – one in five white males died and 90% of the region's railroads and factories were destroyed.

youdao