ammonia：[ə'məʊnɪə] n.（化学元素）氨，氨气，氨水，阿摩尼亚
Substances such as ammonia give out heat when they dissolve.
诸如氨气之类的物质在溶解时会释放出热量。

synthetic [sɪnˈθetɪk] ammonia合成氨
This paper describes the harm to the circulating water system in synthetic ammonia plant causedby the leaking of ammonia.
这篇论文介绍了合成氨厂循环水系统漏氨的危害。

liquid ammonia液态氨
Liquid ammonia, mainly used as refrigerant or to make Ammonium [ə'məʊnɪəm] and nitrogen ['naɪtrədʒ(ə)n].
液氨主要用作制冷剂及用于制取铵盐和氮肥.

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