Examlex
Private speech accounts for 20% to 50% of the utterances of children ages 4 to 10.
Release
The act of making something available to the public, or allowing a substance, energy, etc., to emerge.
Ball
A spherical object; in mathematics, the set of all points in space at or below a certain distance from a given point.
Rectangle
A four-sided shape that has four 90-degree angles, with its opposing sides being parallel and of the same length.
Perimeter
The total length around the boundary of a two-dimensional shape.
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