正整数

positive integer

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

exactly / in good order / whole / complete / entire / in order / orderly / to repair / to mend / to renovate / (coll.) to fix sb / to give sb a hard time / to mess with sb

whole number / integer (math.) / round figure

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly