Englishfor English speakers
calendar
Noun
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A calendar is a system of measuring time.
The Chinese new year is different from the western new year because the Chinese use a lunar calendar.
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A calendar is list of all the days with their dates, usually for one full year.
Write his birthday on the calendar hanging on the wall.
reform
Verb
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If you reform something, you improve it by removing or correcting faults, problems, etc.