美[??s?n??l] 1 . Jordan promised to trim the city budget without cutting essential services.
喬丹承諾在不減少基本服務(wù)的前提下，縮減市政預(yù)算。
來自柯林斯例句
2 . Party membership was an essential prerequisite of a successful career.
成為黨員是事業(yè)有成必不可少的先決條件。
來自柯林斯例句
3 . "Aromatherapy oils" are not pure essential oils but dilutions.
“香薰精油”并非純精油，而是經(jīng)過稀釋的。
來自柯林斯例句
4 . It is essential to feel at ease with your therapist.
在治療師面前放松下來是很重要的。
來自柯林斯例句
5 . Polyunsaturated oils are essential for health. Excess is harmful, however.
多不飽和油對健康很重要。但是，食用過量就會有害。
來自柯林斯例句
1.anything indispensable;
food and shelter are necessities of life
2.absolutely necessary; vitally necessary;
essential tools and materials
3.basic and fundamental;
the essential feature
4.of the greatest importance;
the all-important subject of disarmament
5.being or relating to or containing the essence of a plant etc;
essential oil
6.applying to essential legal principles and rules of right;
substantive law
7.absolutely required and not to be used up or sacrificed
