Englishfor English speakers
u
Noun
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The twenty-first (21st) letter of the alphabet. It is a vowel.
"u" comes after "t" and before "v"
tube
Noun
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A tube is a long object with a hole from one end to the other. The ends may be closed or open.
The high pressure forces the water through the tube.
Toothpaste comes in a tube.
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The Tube is the underground train system in London, England.
tube
Verb
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If you tube, you float on an inner tube.
We went white-water tubing on the Yukon River.
apparatus
Noun
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A complex machine or instrument.
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A group of tools or instruments.
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A system of things to do to get to a goal.