【学习笔记】懂你英语 核心课 Level 5 Unit 1 Part 4（IV）词汇 Science Vocabulary
There are many different cycles in nature, such as the cycle of seasons.【跟读】
自然界有许多不同的循环，如季节的循环。
A cycle is a series of events that repeat, such as the daily cycle of light and dark.【填空】
循环是一系列重复发生的事件，如每日的光明与黑暗的循环。
【填空】The time it takes for a cycle to repeat itself it its period.一个周期重复其周期所花费的时间。
【填空】【朗读】The number of times a cycle repeats itself within a period of time is its frequency.一个周期在一段时间内重复它自己的次数就是它的频率。
To evolve means to change or improve over a period of time.
进化是指在一段时间内改变或改进。
In biology, the theory of evolution says that advanced life forms such as humans have evolved from lower forms of life.
在生物学中，进化论认为，高级生命形式，如人类，是从低级生命形式进化而来的。
【填空】Life forms evolve because they have to adapt in order to survive. 生命形式的进化是因为它们必须适应才能生存
【填空】According to science we have all evolved from simple one-celled organisms. 根据科学，我们都是从简单的单细胞生物体进化而来的。
A force of attraction brings two objects closer together, such as the force of gravity.
引力使两个物体靠得更近，例如万有引力。
A force of repulsion pushes two objects away from each other, such as the force between two electrons.
斥力把两个物体相互推开，例如两个电子之间的力。
【填空】Gravity is a force of attraction between two objects with mass.引力是两个有质量的物体之间的引力。
【填空】If two people are attracted to each other, they want to be together.如果两个人互相吸引，他们想要在一起。
To transform means to change from one form into another.
转换的意思是从一种形式变成另一种形式。
A transformation occurs when an object takes on a new appearance or structure.【朗读】
当对象呈现新的外观或结构时，就会发生转换。
【填空】In marriage, a wife’s attempt to transform the behavior of her husband is often unsuccessful.在婚姻中，妻子试图改变丈夫的行为往往是不成功的。
【填空】A good leader can transform an unsuccessful company into a successful one by changing how it is organized.一个好的领导者可以通过改变公司的组织方式将一个失败的公司转变成一个成功的公司。
【填空】Over a period of time, the process of evolution can transform the appearance of a species of life在一段时间内,进化的过程可以改变外观的一种生活。
To inherit something means to get it without having to ask or work for it.
继承意味着不需要请求或工作就能得到它。
A child from a very rich family may inherit a lot of money.【跟读】
家境富裕的孩子可能会继承一大笔钱。
【填空】Eye and hair color are inherited traits.眼睛和头发的颜色是遗传的特征。
【选图】To change or improve over a period of time. -to evolve
【选图】To take on a new appearance or form. -to transform
【选图】Some people become wealthy by... inherting.
【选图】What kind of force brings things together? -attraction
【选图】What is a series of events that repeats itself? -a cycle.
【填空】He inherited a large fortune when his parents died, so he doesn’t have to work anymore.他父母去世时他继承了一大笔财产，所以他不必再工作了。
【填空】A good friend of mine has never had to work, because everything he has is inherited.我的一个好朋友从来不用工作，因为他所拥有的一切都是遗传的。
【排序】Gravity is a force of attraction between two objects with mass.
In human interactions, there are also forces of attraction.
Two people may find each other attractive. If two people are attracted to each other, they want to be together.
【排序】There are many different kinds of forces.
There are forces of attraction, such as the force between positive and negative electric charges.
There are also forces of repulsion.
For example, two objects with the same electric charge will repeal each other.
【跟读】Life forms evolve because they have to adapt in order to survive.