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post- 在...后 postponev.推迟，延迟 反义词：delayThe ball game was postponed because of rain.球赛因雨延期。 名词形式：postponement postgraduate 大学毕业后的，研究生研究生院，研究所 graduate school P.S.=postscript 补充：post:v.贴出，宣布，公告，邮寄 n.柱，标杆，邮政，邮寄，职位，哨所 post officepostage n.邮费，邮资postal a.邮政的，邮局的posterpostman pre-前,前的,预先的 preach v.宣讲(教义),布道;竭力鼓吹,宣传;说教 六级词汇 例:preach international peaceprecaution n.预防,谨慎,警惕 四级词汇 pre+caution precede v.领先(于),在(…之前);优先,先于 六级词汇 pre+ced(go)+e The tourists were preceded by their guide. 向导走在游客的前面。 He preceded his speech with welcome to the guests. 他在正式讲演前, 先对来宾表示欢迎。precedent n.先例 [新增]The President followed historical precedent in forming the Cabinet.总统遵循历史惯例来组成内阁preceding a.在前的,在先的 四级词汇 precious a.珍贵的,贵重的 高中词汇 precise a.精确的,准确的 四级词汇The victim was able to give a precise description of the suspect.受害者能够清晰地描绘嫌疑犯a precise measurement; a precise instrument.精确的测量；精密仪器precise pronunciation; precise prose.正确的发音；严格无误的散文precise measurements精确的尺寸to be precise[用作插入语]确切地讲at that precise moment恰恰在那个时刻a very precise man非常严谨的人 precision n.精确,精确度 四级词汇precision in calculation计算的精确度preclude v.排除,阻止,妨碍 [新增]preclude misunderstanding避免误解The flood precluded him from coming.他因洪水不能来了。preclude sb. from sth.阻止某人做某事; 使某人做某事成为不可能predecessor n.前辈，前任 六级词汇[新增]pre- 先 + de-离+ceder 走开predict v.预言,预测,预告 四级词汇pre+dict(say) predict rain for tomorrow预告明天有雨predominant a.(over)占优势的;主要的,突出的 六级词汇pre- 先+dominant 支配的，优势的the predominant feature of sb.s character某人性格的主要特征preface n.序言,引言,前言 v.作序,写前言 四级词汇 prefer v.(to)更喜欢,宁愿 四级词汇prefers coffee to tea.喜欢咖啡胜于茶prefer ... rather than宁愿[愿意]...而不愿prefer ...to喜欢...而不喜欢; 喜欢... 胜过...I should prefer you not to stay [that you did not stay] there too long.我希望你不要在那儿呆得太久。 preferable a.(to)更可取的,更好的 四级词汇 preference n.(for,to)偏爱,喜爱;优惠;优先选择 四级词汇 pregnant a.怀孕的,孕育的,充满的,意味深长的 六级词汇[新增]be pregnant with new ideas孕育着新思想a pregnant reply意味深长的答复pregnant artists有创造力的艺术家pregnant years丰年All