bachelor n. 單身漢，文理學(xué)士
例句：He became a Bachelor of Arts at the age of twenty.
他二十歲時(shí)成了文學(xué)士。
master n.主人，雇主，碩士 adj. 主人的，熟練的，高明的，主要的 vt. 精通
例句：This is an interdisciplinary Master's program participated by five departments.
這是一個(gè)有五個(gè)系參與的跨學(xué)科碩士項(xiàng)目。
masterpiece n. 杰作，名著
例句：Then film was built up to be a masterpiece, but I found it very disappointing.
這部影片被吹捧為杰作，可是我覺得令人失望。
certificate n. 證書，證明書 vt.發(fā)給證明書，以證書形式授權(quán)給……
例句：To obtain a passport, you have to send in your birth certificate with the form.
要取得護(hù)照，你得把出生證和表格一起呈上。
certify v. 證明，保證
例句：Two witnesses must certify that this is your signature.
須有兩個(gè)見證人證明這確是你的簽字。
doctor n. 醫(yī)生，博士
例句：Austin's illness was more serious than the doctor first thought.
奧斯汀的病較醫(yī)生原來以為的更嚴(yán)重。
doctrine n. 教條，學(xué)說
例句：We naturally associate the name of Darwin with the doctrine of evolution.
我們很自然地把達(dá)爾文的名字和進(jìn)化論聯(lián)系在一起。
diploma n.文憑，畢業(yè)證書，證明權(quán)力、特權(quán)，榮謄等的 證書，獎(jiǎng)狀
例句：The diploma is very important for Alan to get the job.
對艾倫來說，要得到那份工作，文憑是很重要的。
diplomatic adj. 外交的，老練的
例句：Those two countries have broken off diplomatic relations again.
那兩個(gè)國家再次終止了交往。