Englishfor English speakers
float
Verb
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When you float, it means that your density is lower than the density of the liquid you are in, which makes you be at the surface of the liquid.
As I have a light body, I always float when I go swimming.
float
Noun
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Something which stays on or near the surface of water or another liquid.
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A buoyant used to help balance in water or another liquid.
Attach the float and the weight to the fishing line, above the hook.
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A nicely decorated vehicle, to show in a parade or pageant.
That float covered in roses is very pretty.
operated
adjective
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(in combination) operated by the means specified e.g. a battery-operated toy
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operated by the means specified
valve
Noun
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A valve is part of a tube that lets liquid or gas go through one way but stops it from going through the other way.
There are four valves in the heart that let blood go in one direction but stop it from going in the other direction.
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A valve is part of a tube that someone can open or close to let water or other things go through.
Open this valve to let water go through the pipe.