Englishfor English speakers
c
Noun
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C is the third letter of the alphabet.
"b" comes before "c"
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In some schools, an C is the passing grade.
Albert only just passed the exam; he got a C.
symmetry
Noun
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A balance or harmony of parts.
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A division of the body would produce two parts which are mirror images of each other.
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An arrangement of parts around a central point.
An orange has symmetry: it is a sphere with segments arranged around a common central line.
The segments of an orange show symmetry: their shape and relative positions are the same.