essentiality的复数形式怎么写？

Forster established the essentiality of minerals as accessory food factors required for maintaining life.福斯特证实了矿物质作为辅助食物因子在维持生命方面的重要性。Therefore , this kind of development view is not continuable in essentiality.这种发展观在本性上...

essentiality的音标：essentiality的英式发音音标为：[i:ˌsenʃɪ'ælɪtɪ]essentiality的美式发音音标为：[ɪˌsenʃɪ'ælətɪ]...

n.本性，真髓，本质，重要性...