Englishfor English speakers
good
Adjective
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When you are good, you do the right things. That is, you do things that are kind or helpful. You do not do things that hurt people or are not honest.
He is a good person and would never steal.
She is a good girl and always helps her mother.
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If something is good it is useful or helpful. This also means high quality.
My last pair of shoes were very good, they lasted two years!
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If food is good it means you like the taste. This food is not likely to be spoiled or of low quality.
Thank you for the pie; it was very good.
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If you had a good time, you enjoyed something.
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You may call something good because you like it.
We had a good trip and liked seeing all the sights.
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If you are good at something, you do it well.
She is a good swimmer; she could save you from drowning.
He is a good worker and always gets the job done.
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A good sign means something good is likely to happen.
Some people think a rainbow is a good omen, and means you will have good luck.
If you are sick, its a good sign if your fever ends.
Favorable
Beneficial
good
Noun
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Good is the quality of being good.
He has a lot of good in him and always helps us out.
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Good refers to the side of good (against evil and bad).
I'm completely for good and think we should all try to do the right thing.
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(finance; plural only) Goods are identical items that are produced, then traded, bought or sold, for the purpose of consumption.
You can buy many different types of goods at the market.
environmental
Adjective
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Environmental protection, education, issues, etc. all relate to the natural world: land, air, water, and living things.
The country needs help to deal with its environmental problems.
Saving the forests makes economic as well as environmental sense.
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Environmental factors, impact, effect, etc. all relate to the area around someone or something.
The disease is caused by a combination of genetic and environmental factors.
practice
Verb
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If you practice something, you do it again and again to improve your ability.
The class was going to practice writing skills for homework.
When I got my first guitar, I practiced until my fingers fell off.
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If you practice a subject (specially law and medicine), you pursue it as a career.
She practiced law for several years.
practice
Noun
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Practice is an activity you do again and again to improve your ability.
I can go to the party because I have soccer practice that night.
My driving is getting better, but I still need practice.
of
Preposition
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Made using.
It is a house of cards.
biotechnology
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noun
the branch of engineering science in which biological science is used to study the relation between workers and their environments
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noun
the branch of molecular biology that studies the use of microorganisms to perform specific industrial processes
biotechnology produced genetically altered bacteria that solved the problem