anniversary apologize appear

anniversary /ˌænɪ'vɜːsəri/
An anniversary is a yearly observation or observance of an event that happened in the past.
n. 周年纪念日
A birthday is an anniversary of your birth.
生日是你出生的周年纪念日。
A wedding anniversary is a recognition of the many years you've been married.
结婚纪念日是对你结婚多年的认可。

apologize /ə'pɒlədʒaɪz/
Apologize means to express regret or sorrow for a mistake or accident for which one accepts responsibility.
v. 道歉，谢罪，辩白
The boy apologized to his father for breaking the window.
那个男孩因打破窗户而向父亲道歉。
The girl apologized to her teacher for bad behavior.
这个女孩为她的不良行为向老师道歉。

appear /ə'pɪə(r)/
Appear means to show oneself to come into sight or to seem.
v. 出现，显得，登场
The Sun appeared to be on the horizon.
太阳出现在地平线上。
It appears that we will be on time.
看来我们会准时的。