· demography /dɪˈmɒɡrəfɪ/

o 1.N-UNCOUNT Demography is the study of the changes in numbers of births, deaths, marriages, and cases of disease in a community over a period of time. 人口统计学

o 2.N-COUNT undefined

• ...a politically astute economist and demographer. ...一位政治上敏锐的经济学家和人口统计学家。

men·strual adj. /ˈmenstruəl/

connected with the time when a woman menstruates each month 月经的

• The average length of a woman's menstrual cycle is 28 days. 妇女的平均月经周期是28天。

• menstrual blood 经血

( formal )

• a menstrual period 月经期

——compare premenstrual

re·pat·ri·ate v. /ˌriːˈpætrieɪt/

[ VN]

1.to send or bring sb back to their own country 遣送回国；遣返

•The refugees were forcibly repatriated. 难民被强制遣送回国。

2.( business 商) to send money or profits back to your own country 寄（钱）回国；将（利润）调回本国

DERIVATIVES 派生词

re·pat·ri·ation [ UC] /ˌriːˌpætriˈeɪʃn/ /ˌriːˌpætriˈeɪʃn/ n

· •the repatriation of immigrants/profits 遣返移民；调回利润

· •a voluntary repatriation programme 自愿遣返计划

· baccalaureate /ˌbækəˈlɔːrɪɪt/

o 1.N-SING A baccalaureate is the same as a . 同bachelor’s degree

o 2.N-COUNT In the United States, a baccalaureate is a sermon given to a graduating class, or the religious service in which that sermon is given. (在美国)对毕业班的致辞; 宗教讲道

o 3.N-SING The baccalaureate is an examination taken by students at the age of eighteen in France and some other countries. 法国以及其他一些国家对十八岁学生进行的考试

· genesis /ˈdʒɛnɪsɪs/

o N-SING The genesis of something is its beginning, birth, or creation. (事物的)开端; 诞生; 创始

• The project had its genesis two years earlier. 该项目是两年前开始的。

im·mi·nent adj. /ˈɪmɪnənt/

( especially of sth unpleasant 尤指不愉快的事 ) likely to happen very soon 即将发生的；临近的

• the imminent threat of invasion 迫在眉睫的入侵威胁

• The system is in imminent danger of collapse. 这个体制面临着崩溃的危险。

• An announcement about his resignation is imminent. 马上就要宣布他的辞职。

im·pend·ing adj. /ɪmˈpendɪŋ/

[ only before noun]

( usually of an unpleasant event 通常指不愉快的事 ) that is going to happen very soon 即将发生的；迫在眉睫的

SYN imminent

· • his impending retirement 他即将到来的退休

· • warnings of impending danger/disaster 对马上到来的危险╱灾难的预警

· diet /ˈdaɪət/

o 1.N-VAR Your diet is the type and variety of food that you regularly eat. 日常饮食

• It's never too late to improve your diet. 改善饮食什么时候都不嫌晚。

o 2.N-VAR If you are on a diet, you eat special kinds of food or you eat less food than usual because you are trying to lose weight. (因减肥而吃的) 规定饮食

• Have you been on a diet? You've lost a lot of weight. 你在节食吗？你瘦了很多。

o 3.N-COUNT If a doctor puts someone on a diet, he or she makes them eat a special type or variety of foods in order to improve their health. (医生为病人规定的) 特种饮食

• Certain chronic conditions, such as diabetes, require special diets that should be monitored by your physician. 一些慢性病，如糖尿病，要求病人食用由医生指导的特定食物。

o 4.N-COUNT If you are fed on a diet of something, especially something unpleasant or of poor quality, you receive or experience a very large amount of it. 大量 (不愉快的事或质量差的东西)

• The radio had fed him a diet of pop songs. 收音机没完没了地向他播放流行音乐。

o 5.V-I If you are dieting, you eat special kinds of food or you eat less food than usual because you are trying to lose weight. 节食

• I've been dieting ever since the birth of my fourth child. 自从我第4个孩子出生以后，我就一直在节食。

o 6.ADJ Diet drinks or foods have been specially produced so that they do not contain many calories. (饮食) 低热量的

• ...sugar-free diet drinks. …无糖的低热量饮料。

o 7.N a legislative assembly in various countries, such as Japan 议会