Englishfor English speakers
conducting
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noun
the way of administering a business
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noun
the direction of an orchestra or choir
he does not use a baton for conducting
sphere
Noun
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A sphere is a shape that is round in all directions, like a ball. Every point on a sphere is the same distance from the centre (a point in the middle) of the sphere.
The Earth is almost exactly a sphere.
A drop of water can be a sphere while it's falling.