必不可少

Do you think television has become an essential part of people's daily life?

你是否觉得电视已成为人们日常生活中必不可少的一部分？

Intrinsic factor is a natural substance present in the stomach and is essential to the digestion of vitamin B12; being without it leads to pernicious anemia and vitamin B12 deficiency.

内因子是一种存在于胃的天然物质，是维生素B12吸收所必不可少的；如果内因子缺乏，就会导致恶性贫血与维生素B12缺乏。

And though perseverance can be an admirable trait and is essential for all success in life, when taken too far it becomes perseveration — uncontrollable repetition — or simple perversity.

尽管恒心毅力是个令人羡慕的品质并且是成功必不可少的要素，但是一旦过度它就变成了固执--不可控制的重复--或者简单的坚持。

Therefore, an optimistic, positive mind is indispensable in the process of your persevering your ideal.

因此，一个乐观，积极思想是必不可少的过程中你的坚持你的理想。

with rapid development of mobile and related technology. mobile phone, personal digital assistant, notebook pc and other embedded devices become popular, they have been necessity of life and entertainment.

随着移动技术与相关技术的迅速发展，手机、个人掌上电脑、笔记本电脑等各种电子设备变得流行，它们已成为人们工作和娱乐必不可少的随身用品。

Today it is so pervasive and powerful that it has become an integral part of our daily life.

在现代社会，广告的发展进入了一个前所未有的繁荣时代，已成为我们日常生活必不可少的一部分。

The effect of L-glutamic acid on the production of Y -PGA by B.

探讨了培养基中谷氨酸的作用，外源谷氨酸对γ-聚谷氨酸生产是必不可少的。

Finally, regular physical exercise is essential for a healthy mind and body.

最后，经常锻炼身体是必不可少的，健康的心灵和身体。

Of course, physical exercise is essential, though I am a lazy person.

当然体育锻炼是必不可少的，虽然我是个很懒的人。

Physical and mental strength are both important to be a good leader.

17， 成为一个好的领导，好的身理与心理素质都是必不可少的

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。