mid-14c., "that is such by its essence," from Late Latin essentialis, from essentia "essence" (see essence). Meaning "pertaining to essence" is from late 14c., that of "constituting the essence of something" is from 1540s; that of "necessary" is from 1520s. Essentials "indispensable elements" is from early 16c. Related: Essentially.
实用例句
1. Jordan promised to trim the city budget without cutting essential services.
乔丹承诺在不减少基本服务的前提下，缩减市政预算。
来自柯林斯例句
2. Party membership was an essential prerequisite of a successful career.
成为党员是事业有成必不可少的先决条件。
来自柯林斯例句
3. "Aromatherapy oils" are not pure essential oils but dilutions.
“香薰精油”并非纯精油，而是经过稀释的。
来自柯林斯例句
4. It is essential to feel at ease with your therapist.
在治疗师面前放松下来是很重要的。
来自柯林斯例句
5. Polyunsaturated oils are essential for health. Excess is harmful, however.
