整数 zhěngshù HSK7 integer Definitions Defs Origin Strokes Stroke Words Sentences Sents 正整数 zhèngzhěngshù positive integer 负整数 fùzhěngshù negative integer 整数倍数 zhěngshùbèishù integer multiple integral multiple整数集合 zhěngshùjíhé set of integers the set containing all integers in mathematics