他们代表了不同种族和文化。

They represent different races and ___cultures.

这个展览展示了来自世界各地的不同文化。

The exhibition displays various ___cultures from around the world.

科学家们在实验室里培养细菌培养物用于研究。

Scientists are growing bacterial ___cultures in the lab for research.

他的广泛阅读培养了高雅的文化品位。

His extensive reading has developed a refined ___culture and taste.