Food, clothing, shelter and transportation are essential to life.

衣、食、住、行是生活中必不可少。

As we all know, punctuality is essential to the railway service.

众所周知，准时对铁路服务非常重要。

A normal balance of electrolytes is essential to the normal function of cells and organs.

正常电解质平衡状态对于细胞和器官正常运转非常重要。

First, it's essential to know why the emperor is an emperor.

首先，要了解皇帝为什么称之为皇帝。

Engaged discussion and passionate argument are essential to a college education.

对于大学教育来说，讨论参与和这种激情澎论证是至关重要。

I am grateful to my parents for their support, which is essential to my success.

我要感谢父母支持，这对于我成功至关重要。

Healthy coral reefs are essential to a healthy marine ecosystem.

珊瑚礁对海洋生态系统至关重要。

It's essential to have strategies in place to manage those feelings.

重要是先备好策略来应对那些感受。

But that is why it is essential to create a clear goal with a timeline.

但这就是为什么创建一个有时间表明确目标是至关重要。

C) It is essential to maintaining both mental and physical health.

C）保持身心至关重要。

So that continual output is essential to speaking better English but boosting your motivation.

持续输出对于一口流利英语是必不可少，但也能增强你动力。

Medical experts say the vaccine is essential to public health because measles is highly contagious.

医学专家表示，疫苗对公众至关重要，因为麻疹具有高度传染性。

It's essential to how we communicate with each other and even with our technology.

它在我们日常对话、甚至是科技中都扮演着重要角色。

So for those people it was essential to learn languages, so those people can.

对这些人来说，学习不同语言非常有必要，所以他们可以说三种语言。

A) They are essential to our self-esteem.

A) 它们对于我们自尊至关重要。

In short, we're not really sure, but we know it's essential to life.

总之，我们并不确定，但我们知道它对生命来说很重要。

This is essential to help you develop really strong listening and comprehension skills.

这对于帮助你培养真正听力和理解能力至关重要。

C) It is essential to the recycling of plastic bottles.

C）这对塑料瓶回收利用至关重要。

Get Enough Sleep Sleep is essential to a variety of bodily functions, memory recall included.

保证充足睡眠睡眠对各种身体机能至关重要，记忆力也不例外。

A solid, healthy stretch of nighttime sleep is essential to overcoming or avoiding burnout.

充足、夜间睡眠对于克服或避免过度劳累是至关重要。