essential
英[?'sen?(?)l]
美[?'s?n?l]
- adj. 基本的；必要的；本質的；精華的
- n. 本質；要素；要點；必需品
英英釋意
- 1. anything indispensable;
- "food and shelter are necessities of life"
- "the essentials of the good life"
- "allow farmers to buy their requirements under favorable conditions"
- "a place where the requisites of water fuel and fodder can be obtained"