If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。
This is currently the most efficient way to transmit certain types of data like electronic mail.
这是目前传输电子邮件等某类数据最有效的方法。
I would just like to say that this is the most hypocritical thing I have ever heard in my life.
我只想说这是我一生中听到过的最虚伪的事。
Like most people, I've long understood that I will be judged by my occupation, that my profession is a gauge people use to see how smart or talented I am.
和大多数人一样，我早就知道人们会用我的职业来评价我，且我的职业是人们用来衡量我有多聪明或多有才华的一个标准。
We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.
我们经常被噪音包围，大多数噪音是听不见的，除非我们把海贝之类的东西靠近一只耳朵。
Perhaps most exciting is research that suggests that crafts like knitting and crocheting may help to keep off a decline in brain function with age.
也许最令人兴奋的是研究表明，像编织和钩编这样的手艺可能有助于防止因年龄增长而导致的大脑功能下降。
The most likely scenario, frankly, is that your friend can read you like a book but prefers to ignore your crush.
坦率地说，最可能的情况是，你的朋友读你就像读一本书，但却不愿理会你的爱慕。
The major difference is that Allende is depleted in the most volatile elements, like hydrogen, carbon, oxygen, nitrogen, and the noble gases, relative to the Sun.
主要的差别是，相比于太阳，阿连德陨石缺失了大部分的挥发性元素，例如氢、碳、氧、氮和稀有气体。
In most venomous snakes, like vipers and cobras, the venom is used to catch and inmoblize the prey; but in colubrids, venom drips onto the prey only after the prey is in the snake's mouth.
在大多数毒蛇中，如蝰蛇和眼镜蛇，毒液用于捕捉猎物、使其无法行动；但在彩颌类中，只有在猎物到了蛇嘴里后，毒液才会滴到猎物身上。
Most Roman pottery is light and smooth to touch and very tough, although, like all pottery, it shatters if dropped on a hard surface.
大多数罗马陶器轻巧而光滑，摸起来很硬，但像所有的陶器一样，如果掉在坚硬的物质上就会碎裂。
Most of us have never really understood what it is like to be hungry or want for a real necessity.
大多数人对像是饥饿或者缺少真正的必需品这些从来没有真实的理解。
This is because checking for these types is, frankly, more trouble than most programmers like to engage in.
原因是大多数程序员都不愿意卷入检查类型的麻烦。
It also lets them write code most of the time, which is what they like to do anyway.
它还让他们在大部分时间内编写代码，而这正是他们喜欢做的。
Although more and more Chinese own cars, most Chinese still like to ride bicycles. This is determined by a lot of factors.
尽管越来越多的中国人拥有了汽车，但大部分中国人仍喜欢骑自行车，这是由很多因素决定的。
This is a very useful question for business English. Most people like to tell you about their company and this is a good way to start the conversation.
这是一个很有用的商务英语问题，大多数人喜欢向你介绍他们的公司，而这是一个打开话题的很好的方式。
There are a lot of ways to make people not like you, but one of the most powerful — if least fair — is to be really, really successful.
有许多让别人不喜欢你的办法，但最强悍的一个是——如果不算公平的话——就是变得真的，真的很成功。
But, like most bug patterns, it is much better to prevent bugs rather than to fix them.
但是，象大多数的错误类型一样，阻止它们的出现总比修补它们要好的多。
Not only is it a more natural way to learn, it isn't painfully boring like most memorization tasks are.
这不仅仅是一种更自然的方式，还因为它不像大多数的记忆任务那样痛苦无聊。
This is typically most prevalent with terms like addresses and names but can also apply to other business terms.
这对于诸如地址和姓名之类的术语通常最为常见，但是也适用于其他业务术语。
He is not a tidy man, he likes to collect things and stuff, most of which is very large, like tractors.
他不爱整洁，喜欢收集东西和材料，而且通常都是像拖拉机那样的大家伙。
The positive message is that most people over the age of 50 would like to stay in the workforce longer than they thought they would be allowed.
其传递的积极信息是：50岁以上的人多数希望，他们在职场中呆的时间长于他们所认为的规定年限。
Sadly, a total misunderstanding of how to create value is the reason most purchases we make feel like... well... torture.
不幸地，总体上对怎样创造价值的误解是我们对购买产品时感到折磨的原因？
One of the most difficult parts of developing a visualization is deciding what exactly you'd like to see.
开发可视化最棘手的部分之一就是确定所希望看到的内容。
Most economists like this idea, as it is likely to discourage excessive consumption of health care.
绝大多数经济学者都赞成这一想法，它极有可能阻碍对医保的过渡消费。
The idea is to filter messages according to computed criteria - like those from your work colleagues, or from people you communicate with most often.
这个主意是根据计算标准过滤消息——像来自你的同事，或你经常聊天的一些人。
Like most higher degrees it is perfectly acceptable to put "MBA" after your name on a business card, whereas alluding to your undergraduate degree tends to make you look slightly ridiculous.
就像多数较高学位一样，在名片上姓名后面加上“MBA”字眼，是完全可以接受的，而如果你列出本科学位，则往往会显得有点可笑。
Most of the fuel is contained in the plant case, so I would like to ask people to be calm.
大部分燃料储存在工厂的容器里，于是我想请求人们保持冷静”。
Most of the fuel is contained in the plant case, so I would like to ask people to be calm.
大部分燃料储存在工厂的容器里，于是我想请求人们保持冷静”。
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