【文章內(nèi)容簡介】 mportant to an organization → hard core　The business needs a new core of trained administrators.　a core group of clientsto the core extremely or pletelyshaken/shocked/thrilled to the core　When I heard the news, I was shaken to the core.　That woman is rotten to the core !　He was a bureaucrat to the core.【PLANET】the central part of the Earth or any other planet【NUCLEAR REACTOR】the central part of a nuclear reactorhardcore /?hɑ?dk?? US ?hɑ?rdk??r/ adj [only before noun] having an extreme way of life or an extreme belief that is very unlikely to change　a hardcore drug addict　hardcore racistshardcore pornography magazines, films etc that show the details of sexual behavior, often in an unpleasant waysoftcore adjbeing less explicit than hardcore material in depicting or describing sexual activity: softcore pornographycosmopolitan /?k?zm??p?l?t?n US ?kɑ?zm??pɑ?/ adj a cosmopolitan place has people from many different parts of the world use this to show approval　a vibrant, cosmopolitan city　a lively hotel with a cosmopolitan atmospherea cosmopolitan person, belief, opinion etc shows a wide experience of different people and places　Brigitta has such a cosmopolitan outlook on life.crack /kr230。k/【GAP】[C] a very narrow space between two things or two parts of somethingcrack between　He squeezed into a crack between two rocks.crack in　He could see them through a crack in the door.　She opened the door a crack and peeped into the room.【BREAK】[C] a thin line on the surface of something when it is broken but has not actually e apartcrack in　There were several small cracks in the glass.【W(wǎng)EAKNESS】[C] a weakness or fault in an idea, system, or organizationcrack in　The cracks in their relationship were starting to show.　The first cracks are beginning to appear in the economic policy.crest /krest/ n [C] the top or highest point of something such as a hill or a wavecrest of　It took us over an hour to reach the crest of the hill.a special picture that is used as a sign of a family, town, school, or organization → coat of armsschool/family cresta group of feathers that stick up on the top of a bird39。s head　exotic birds with colorful crestsa decoration of long bright feathers that soldiers wore in the past on top of their hatsbe on/riding the crest of a wave to be very successful　a young film director who is on the crest of a wave at the momentcoat of arms n [C]plural coats of arms a set of pictures or patterns painted on a shield and used as the special sign of a family, town, university etccrevice /?krev?s/ n [C] a narrow crack in the surface of something, especially in rock　small creatures that hide in crevices in the rockcrust /kr?st/ n [U and C] the hard brown outer surface of bread　sandwiches with the crusts cut offthe baked outer part of foods such as pies or pizzas　a thin crust pizzaa thin hard dry layer on the surface of something　A ha