“Aix” is pronounced as [ɛks]. “Aix” doesn't seem to be a common word related to “human life”. If you mean something else, please provide more context. Generally, when we talk about human life, we might use expressions like “human life is precious” which can be “Human life is pronounced as [ˈhjuːmən laɪf]. It is of great significance and should be cherished and protected.”. ????