essential

名词：

名词: essentiality

更多词形：

副词: essentially | 名词: essentiality |

单词例句：

Parts of the wooden support of the house had been gnawed away. Immediate repair was essential.

房屋的木质支架己有几处被蛀空，必须立即进行修理。

Her most essential quality is kindness.

她最主要的品质是善良。

It is essential that he get up early.

他有必要早起。

A stable government is essential to economic growth.

稳定的政府对经济成长是重要的。

There is no essential difference between the two drafts.

两份草稿没有本质上的不同。

Tissue-typing is essential when planning a transplant operation.

计划动移植手术时,组织分型是必要的工作。

Food is essential to life.

食物对生命是必不可少的。

A substance, such as a vitamin or mineral, that is essential in minute amounts for the proper growth and metabolism of a living organism.

微量养料; 微量营养元素一种对生物的正常生长和新陈代谢极其重要的微量物质，如一种维生素或矿物质

Some firms, like Prudential-Bache Securities Inc. which had hoped to ride out the downturn by paring unprofitable businesses, are now abandoning lines they once viewed as essential, like investment banking.

有些公司，例如普天寿—贝池证券公司曾希望以逐渐削减没有利润的生意的方式度过不景气，现在放弃商业融资等原来以为必要的营业。