75课：
minutes ['minits] n. 会议记录,(复数)分钟
dignity ['digniti] n. 尊严,高贵,端庄
adversity [əd'və:siti] n. 不幸,灾难
scarf [skɑ:f] n. 围巾
cheerful ['tʃiəfəl] adj. 高兴的,快乐的
uncomfortable [ʌn'kʌmftəbl] adj. 不舒服的,不自在的
perfume ['pə:fju:m,pə'fju:m] n. 香水,香气
77课：
1． urgent adj. （1）紧迫的；急迫的：
There's an urgent message for you.
这里有你的一个要紧的口信儿.
The children in that area are in urgent need of medical attention.
那个地区的孩子们急需得到医疗方面的关注.
（2）催促的；坚持要求的：
The cries and shouts became louder and more urgent.
哭喊声越来越响,更加急迫.
2．appointment n. 约会；约定：
I have made an appointment with Doctor Smith on next Tuesday.
我与史密斯大夫约好了在下星期二见面.
When is your lunch appointment?
你与别人共进午餐的约会定在什么时候?
Once you've made an appointment, you should try to keep it.
一旦你定好约会的事情,那么你应努力守约.