英语语法分析

Hydrogen is used extensively in industry for the production of ammonia.

氢气大量地在工业中被用于氨的生产。

《柯林斯英汉双解大词典》

They tightened bolts and made connections so ammonia could flow into the module.

他们拧紧螺栓并进行连接，这样氨就可以流入到舱内。

Then some astronomers came up with the idea that atmospheric ammonia might have acted as a greenhouse gas.

后来一些天文学家提出，大气中的氨可能起到温室气体的作用。