This is because fog is made of tiny water drops.

这是因为雾是由微小的水滴构成的。

This is because you don't know how seriously you are hurt.

这是因为你不知道自己伤得有多严重。

This is because the object will be about 500 kilometers above the Earth.

这是因为目标将处于地球上空约500公里处。

This is because in Chinese culture, long noodles are a symbol of long life.

这是因为在中国文化中，长长的面条是“长寿”的象征。

This is because he can make seventy-two changes to his shape and size.

这是因为他可以对自己的形状和大小做出72种改变。

This is because reading is an important way to get the information required to understand something.

这是因为阅读是获取理解某些东西所需信息的一条重要途径。

This is because their colors are not bright enough to be noticed by the human eye.

这是因为它们的颜色不够明亮，无法被人眼注意到。

This is because of pigments, which reflect light and make what the eye sees as colors.

这是因为色素的作用，它们反射光线，使眼睛看到的东西呈现出颜色。

This is because bright colors are natural colors found in many foods, and, therefore, able to raise people's spirits.

这是因为鲜艳的颜色是在许多食物中发现的天然颜色，所以能够提振人们的精神。

This is because of the following three reasons: Firstly, the thief only stole things from me but did not hurt me at all; secondly, the thief has stolen some of my things instead of all my things; thirdly, most luckily for me, it was the man rather than me who became a thief.

这是因为以下三个原因：第一，小偷只偷我的东西，而没有伤害我；其次，小偷偷走了我的一些东西，而不是我所有的东西；第三，对我来说最幸运的是，成为小偷的是那个人，不是我。

This is because they must share expensive facilities.

这是因为，他们必须共享昂贵的设施。

This is because we have to connect to the naming service.

这是因为我们必须连接到命名服务。

This is because ATC control of the entire space is essential.

这是因为航空交通管制（ATC）对整个空间的控制是至关重要的。

This is because odors are repressed in a fair high pressure center.

这是因为气味在一定的高压中心中被抑制住了。

This is because most automakers export their cars all over the world.

这是因为大多数汽车制造商将他们的汽车出口到世界各地。

This is because making someone else happy makes the giver happy, too.

这是因为让别人快乐也会让给予者快乐。

This is because the human brain is biased to dwell on negative events.

这是因为人类的大脑偏向于记着负面事件。

In part this is because working in a second language slows down the thinking.

在某种程度上，这是因为用第二语言工作会放慢思考速度。

This is because they, and only they, can change the reflection in the mirror.

这是因为，它们，也只有它们，才能改变镜子里的反射。

This is because fifth-generation networks are still in testing and trial phases.

这是因为第五代网络仍处于测试和试验阶段。

This is because fifth generation networks are still in testing and trial phases.

这是因为第五代网络仍处于测试和试验阶段。

This is because, while a law student, I taught one afternoon a week at a school in New York.

这是因为，当我还是一名法律系的学生时，我在纽约的一所学校每周教一个下午的课。

This is because of their long life and high fat, which makes people feel full for longer time.

这是因为它们寿命长，脂肪含量高，这使人们的饱腹感持续时间长。

Maybe this is because students spend a lot of time reading books and using electronic products.

也许这是因为学生们花了很多时间看书和使用电子产品。

Perhaps this is because the very texture of a performer's voice supplies an element of character.

也许这是因为表演者声音的质感本身就提供了一种个性元素。

This is because the attachment that American Jews feel to Israel is too weak, in most cases, to sway their vote.

这是因为美籍犹太人对以色列的依恋在大多数情况下太过脆弱，以至于无法左右他们的投票。

This is because you won't be able to succeed in your studies unless you balance your personal life and your study.

这是因为除非你能平衡好个人生活和学习，否则你就无法在学习上取得成功。

This is because of all the energy they expend to make the equipment to catch animals—the enzymes, the pumps, and so on.

这是因为他们为制造捕获动物的设备而花费的所有能量——酶、泵等。

This is because, according to Archimedes' principle of displacement, floating objects displace their own weight in water.

这是因为，根据阿基米德的位移原理，漂浮物在水中会转移自身的重量。

This is because middle- and upper- latitude timberlines are strongly influenced by the duration and depth of the snow cover.

这是因为中纬度和高纬度地区的林木线受到积雪存留时间和厚度的强烈影响。