فرآیندهای علمی (پیشرفته) قسمت سوم
- زمان مطالعه 13 دقیقه
- سطح سخت
دانلود اپلیکیشن «زبانشناس»
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متن انگلیسی درس
In this lecture we’re going to look at seven words connected with scientific processes.
And here are the seven words circulate emit flow form.
Generate rotate taped.
The next word is circulate.
When something circulates it moves easily and freely within a closed space or a closed system.
And it comes from the word circle.
It’s not how you spell circle but the word is derived from circle.
Some example sentences she caught the disease via a virus which circulates in the bloodstream.
The power required to circulate the air through a mine increases with the velocity of the air current.
The circulation of blood around the body is controlled by the heart.
It’s a verb.
So you talk about so collates circulating circulated and the noun form is circulation.
Some common collocations.
You circulate around something.
Blood circulates air circulates and we can talk about the circulation of something.
Some synonyms flow.
So blood goes around the body.
Around travel around.
The next word is emit emit.
If something emits heat or light or gas or a smell it produces it and sends it out through physical
and chemical processes.
So for example.
The device emits powerful beams of light.
The amount of carbon dioxide emitted by cars continues to increase.
Carbon emissions are the main cause of global warming.
So the verb emit to admit emits emitting.
Emitted an emission as the noun form in motion.
So collocations emit radiation emit a signal.
A plant emits a plant emits oxygen and we also talk about carbon emissions.
Some synonyms give off their lease.
And the last one spew.
It’s kind of informal word.
It’s also a it has kind of bad sense to it.
When it when a lot of bad gas or pollution is given out it spews out those bad things so for example
in the factory here it’s spewing out gas.
The next word is flow flow.
If a liquid or a gas or an electrical current flows some way it moves there steadily and continuously
Moves easily and continuously.
For example a stream flowed into the valley.
The current flows into electric motors which power the turbine.
As it gets very hot during use it should only be used in a room with a free flow of cool air.
So it’s a verb can be used as a verb flows flowing.
And some common collocations flow into something.
Current flows electric current.
Water cone flows blood flows.
And you still got there.
But the blood flow.
Some synonyms move circulate proceed.
And paw poor has the sense of being fast.
So water pours into the valley.
A lot of it moves into the valley.
The next word is form.
When something natural forms or when something natural is formed it begins to exist it starts to exist
For example a mountain range.
These are the two tetons in the United States so the mountain range was formed by a natural process.
So example sentences.
The stars must have formed between 10 and 15 billion years ago.
Huge ice sheets were formed during the Ice Age.
The tetons only started to form around 9 million years ago.
Some forms for the word form forms these are verb forms forms forming formed a noun form is formation
So a star forms a blood clot forms clouds form the plural form of the word form and gradually form.
Some synonyms develop.
The next word is.
If you generate something you cause it to begin and develop its It’s often used with power and energy.
You generate energy.
With a wind turbine a wind turbine generates lots of energy.
The government said the policies would generate new jobs.
The steam engine burns coal to generate power.
When in use the machinery quickly generates lots of heat.
So it’s a verb’s generates generating.
And the noun form generation.
So the generation of power power generation.
Some collocations we generate power generate energy generate electricity.
You can also generate excitement.
Make bring about.
The next word is.
When something rotates or when you rotate it it turns with a circular motion.
For example the earth rotates around the sun.
A motor rotates the blades.
Rotate your ankle to stretch the ligaments.
It’s a verb.
So though taitz rotating rotated a noun form is rotation rotation.
Some convocations of the Earth rotates.
And you can rotate around something rotate gently.
And you can rotate clockwise.
Some common synonyms.
Here our revolve.
And your next word is vapourize vapourize.
If a liquid or a solid vaporises or if you vaporize a liquid or a solid it changes into a gas.
Or the vapour vapour is another word for gas and in the picture you can see some water vaporizing turning
into steam at Yellowstone National Park.
Note the spelling of vapourize Z on the end that suggests it’s an American English spelling the British
English spelling is I S E on the end.
However in normal usage most British people will use the Z form.
Also notice there’s an O in the middle.
Not O U as in Cairo for the British English spelling is it spelt the same way in British and American
To confuse things though in British English vapour is spelt with an O U in the middle.
With just no is the American English Spedding.
Here are some examples sentences when the meteor struck the earth it vaporized.
The oil vaporized and formed a huge cloud of gas.
Aeroplanes usually leave a vapour trail behind them so vapour here is spelt in the British English way.
So vaporises verbs in vaporises vaporising vapourised.
Some collocations water vaporises liquids vaporize and also solids rocks vaporize.
Some synonyms you can use evaporate when it’s when it’s a liquid that vaporizes it’s evaporates.
Destroy destroy is not an exact synonym of vapourize but you often see this in the movies.
So when you vaporize the bad guys with your laser gun they die and they disappear.
So you’ve destroyed them scientifically.
It’s not an exact synonym.
So those are your seven words for scientific processes circulate emit flow form generate rotate vaporize.
So now it’s over to you do the practice quiz and also completes the vocabulary record which you can
download and print out.
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