Wèile jìniàn jiànxiào yìbǎi zhōunián, xiàobào tuīchū le yí fèn zēngkān.
To mark the school's hundredth anniversary, the school paper brought out a supplement.
Tips
usage
增, to add, plus 刊, publication. Compare 特刊, a special issue for an occasion, 专刊, an issue on one theme, and 副刊, a newspaper's literary supplement page.