My major is chemical engineering.

He is majoring in astronautics.

She had a beauty like that of a peony.

We played a match on the artificial turf soccer field.

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The problem of finding the least common multiple is one of the basic problems in mathematics.

They learned about the least common multiple in math class.

He thought deeply about the result of that juristic act.

He was enjoying a schuss on his skis.

He schussed down the mountain on skis.