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idiom –n. an expression that cannot be understood from the meaning of its separate words
standard –n. a level of quality or performance that is considered acceptable or desired
semester –n. one of two, half-year periods that make up an academic year at a school or college
pole vault –n. an athletic event in which people compete by using a pole to jump over a bar this is high above the ground
incrementally –n. a small amount by which something is made larger, greater or higher
