按词翻译:In November 30th, the anniversary of the day, this semester,连起来为:The decoration day is In November 30th this semesterdecoration day 校庆日When is your anniversary day of school?你们的校庆日是在什么时候semester n.(尤指美国的大专院校的)学期; 半学年;I'll give three courses next semester.下学期我开三门课。She got good grades last semester.上学期她的成绩优良。