| 释义 |
es·sen·tial AHD[ĭ-sĕnʹshəl] D.J.[ɪˈsenʃəl]K.K.[ɪˈsɛnʃəl]adj.（形容词）- Constituting or being part of the essence of something; inherent.本质的：是物体必不可少的组成部分；固有的
- Basic or indispensable; necessary:基本的，必须的：基本的或不可缺少的；绝对必要的：essential ingredients.See Synonyms at indispensable 必要的构成要素 参见 indispensable
- Medicine Of, relating to, or being a dysfunctional condition or a disease whose cause is unknown:【医学】 原发的：疾病或状态自发的，原发的或特发的：essential hypertension.本态性高血压
- Biochemistry Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet.【生物化学】 元素：人体某一功能所必需，又不能由身体合成的物质，必须由食物含这种物质
n.（名词）- Something fundamental.基本要素：基本必要的东西
- Something necessary or indispensable.必需品：某物要素或实质
essen'tialʹity AHD[-shē-ălʹĭ-tē] 或 es·senʹtial·ness （名词）essenʹtially adv.（副词） |