| 单词 | essentials | 
| 释义 | essential1 of 2adjective  es·sen·tial  i-ˈsen(t)-shəl  1   : of, relating to, or constituting essence : inherent   2  a    : of the utmost importance : basic, indispensable, necessary  an essential requirement for admission to college  b    : being a substance that is not synthesized by the body in a quantity sufficient for normal health and growth and that must be obtained from the diet  a vegetable oil rich in essential fatty acidssee also essential amino acid   compare nonessential sense 2 3   : idiopathic  essential disease essential hypertension  essentialness   i-ˈsen(t)-shəl-nəs noun essential2 of 2 noun1   : something basic  the essentials of astronomy 2   : something necessary, indispensable, or unavoidable   essentials nounas in principlesgeneral or basic truths on which other truths or theories can be based this will be just an introduction to the essentials of computer programming Synonyms & Similar Words Relevance 
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