essential

B1 CET-4 Oxf 3000 大学 FREQ #5588 ★★★★☆

n. 要素, 要点, 本质 a. 必要的, 重要的, 本质的 [计] 本质冒险

发音

CA /ɪˈsɛn.ʃəl/
UK /ɪˈsɛn.ʃəl/
US /ɪˈsɛn.ʃəl/
US /əˈsɛn.tʃəl/

词形变化

essentials 复数 essentials more essential 比较级 most essential 最高级

别名

essentiall

教材释义与例句

名词

本质；要素；要点；必需品

形容词

基本的；必要的；本质的；精华的

释义与例句

n.
  1. 1.

    A necessary ingredient.

    必要的

  2. 2.

    A fundamental ingredient.

    基本的

adj. B1 Oxf 3000
  1. 1.

    Necessary.

    必要

    不可缺的

    必备

  2. 2.

    Very important; of high importance.

    要素

    切要

  3. 3.

    Necessary for survival but not synthesized by the organism, thus needing to be ingested.

    生物
  4. 4.

    Being in the basic form; showing its essence.

    精华的

    Don’t mind him being grumpy. That’s the essential Fred.

  5. 5.

    Really existing; existent.

  6. 6.

    Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.

    数学
  7. 7.

    Idiopathic.

    医学

    essential blepharospasm

  8. 8.

    Having the nature of essence; not physical.

词汇关系

名词

同义词 4

necessary necessity requirement requisite

反义词 1

inessential

上位词 1

thing

下位词 4

want need must desideratum
形容词

同义词 5

crucial indispensable all-important substantive of the essence

反义词 1

inessential

近义相关 10

important necessary vital organic virtual substantial constitutional staple constituent substantive

参见 8

important necessary primary crucial indispensable intrinsic intrinsical unexpendable

相关短语

essential amino acid [医] 必需氨基酸 essential oil [化] 精油 [医] 挥发油 essential fatty acid [化] 必需脂肪酸 [医] 必需脂肪酸 essential nutrient essential amino acids essential oils essential prime implicant [计] 基本素蕴含 essential prime implicants essential supremum essential infimum essential tremor [医] 特发性震颤 essential thrombocythemia essential suprema

词源

From Late Latin essentiālis, from Latin essentia (“being, essence”).

来源：wiktionary