1. announce vt. 宣布; 述说; 声称
例句:Please announce to the children that there will be no school this afternoon.
请通知孩子们今天下午不上课。
2. appearance n.外貌,外观; 出现
例句:He was vain about his appearance.
他对自己的外貌颇为得意。
3. celebrate vt.庆祝; 祝贺; 举行宗教庆
例句:How did you celebrate May Day this year?
你们今年是怎样庆祝五一节的?
4. anniversary n.周年纪念日
例句:A golden wedding is the fiftieth anniversary of a marriage.
金婚是结婚五十周年纪念日。