Englishfor English speakers
diagram
Noun
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A diagram is a drawing, or sketch, to show how something, such as a machine, works.
You can see from this diagram that the electric switch is very simple, in fact.
Here is a diagram of some machines in a power plant.
leg
Noun
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Your legs are the two long parts of your body that you move to walk, or a similar body part on an animal.
I lost a leg in the war.
The footballer broke a leg during the game.
The bus stopped and everybody went out to stretch their legs.
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A leg is part of a piece of furniture, such as a table, on which the furniture stands.
I can see an ant crawling up the leg of the table.
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A leg is part of a tour or journey.
The band had to cancel the German leg of their European tour.