Englishfor English speakers
speech
Noun
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When we have speech, we have the ability to speak.
Speech is a special human ability.
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When we give a speech, we speak to a group of people.
He gave a speech to all of the students in his class.
filter
Noun
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A filter is a piece of equipment that put gas or liquid through to take out the parts you don't want, to clean it.
Car engines have a fuel filter to keep the fuel clean.
filter
Verb
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If you filter a gas or a liquid, you put it through something that takes out the parts you don't want.
We filter the water.