必不可少 的中文句子和英文句子

滚筒是洗衣机必不可少的部分。

The cylinder is a crucial part of the washing machine.


言语是他那一行必不可少的工具。

Words are the tools of his trade.


食物对生命是必不可少的。

Food is essential to life.


做个优秀教师必不可少的条件是要有耐心.

Patience is a sine qua non for a good teacher.


这些条件是良好的关系必不可少的。

These requirements are absolutely basic to a good relationship.


食物，粮食通常是源于植物和动物的物质，包含有人体营养物的必不可少物质或由其组成如：糖类、脂肪、蛋白质、维他命和矿物质等，由产生能量、促进发育和维持生命的组织消化和吸收

Material, usually of plant or animal origin, that contains or consists of essential body nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals, and is ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.


初始设计开发阶段，首先必须发现可能存在的错误，并作相应的设计修改。正是在这个时期中，设计辅助程序、仿真技术和设计支援技术对于快速设计都是必不可少的。

The initial design development stage wherein, at first, it is certain that errors will be discovered which will require design changes. It is in this period that design aids, emulation techniques, and supportive design techniques are essential to quick design.


一个完好的睡袋是每个露宿者必不可少的装备。

A good sleeping bag is an essential part of every campers equipment.


这首乐曲是这个故事必不可少的组成部分。

The music is organic to the story.