Tiny releases of glutamate play an important role in the body, but any excess can be dangerous - especially to the brain and nervous system.

微量的谷氨酸释放在身体扮演一个重要角色，但是任何一点过量都是危险的，特别是对脑子和神经系统。

We can play an important role as an import agent in your overseas trade.

作为进口代理商，在你方海外贸易中，我们能起到重要作用。

Architecture art influence personage language, thought and life, express humanity thought for novel, object to religion oppression and play an important role.

建筑艺术影响了人物语言，思想和生活，对于小说表达人道思想，反对宗教压迫起到重要作用。

But while we may not recall our nocturnal visions, scientists increasingly believe our dreams play an important role in memory and learning.

但是尽管我们回想不起夜间梦景，科学家日益相信我们的梦对我们的记忆和学习起到重要作用。

With the development of petroleum industry and the variation of exploration and development conditions, petroleum tax policy play an important role on the development of the whole national economy.

随着石油工业的发展和勘探开发条件的变化，石油税收政策成为影响石油工业乃至整个国民经济发展的重要因素。