不可 的中文句子和英文句子

我们的付款方式，是以不可撤消信用状见票即付汇票支付。

Payment will be made by paying your sight draft under our irrevocable letter of credit.


用一把这么钝的刀子切菠萝是不可能的。

It's impossible to cut a pineapple with such a dull knife.


跟彼得这种固执的人讲理简直是不可能的事。

There is no reasoning with such a stubborn man as Peter.


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.


这些条件是良好的关系必不可少的。

These requirements are absolutely basic to a good relationship.


食物对生命是必不可少的。

Food is essential to life.


这里的邮政服务很不可靠。

The postal service here is very unreliable.


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.


在我看来，这些建议完全不可行。

In my submission these proposals are completely unworkable.


这些问题并非非答不可, 但答问对我们大有助益.

You are not obliged to answer these questions, but it would make our task easier.