Usage note
宣传的意思是让很多人知道一件事或一个东西。比如,学校宣传环保活动,告诉大家要保护地球。
Xuānchuán de yìsi shì ràng hěnduō rén zhīdào yī jiàn shì huò yī gè dōngxi. Bǐrú, xuéxiào xuānchuán huánbǎo huódòng, gàosu dàjiā yào bǎohù dìqiú.
Publicize means to let many people know about something or an item. For example, the school publicizes environmental activities, telling everyone to protect the Earth.