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affricates(破擦音，也叫塞擦音),mannerofarticulation:Anaffricateisa“blend”ofaplosiveandafricativeformaclosureandstop/blocktheairstreamlikepronouncingaplosive;releasetheclosureslowlyandlettheaircomeoutwithfrictionlikepronouncingafricative.ThereareonlytwoaffricatesinEnglish./tS/,/dZ/,affricates(破擦音，也叫塞擦音),/tS/,/dZ/Formaclosureandstop/blocktheairstreaminthemouth:protrudethelips;movethetongueabitbackward;raisethefrontofthetonguetowardsthehardpalate;pressthetipandandbladeofthetongueagainsttheupperalveolarridgeReleasetheclosureslowlyandlettheaircomeoutwithfrictionbutwithoutnoticeableexplosion.voiceless:/tS/voiced:/dZ/Placeofarticulation:palato-alveolar(齿龈硬颚音)Note:英语/tS/dZ/vs.汉语ch(吃)zh(知)平舌音vs.卷（翘）舌音平舌音：指由舌尖抵住或接近上齿龈阻碍气流而形成的音卷（翘）舌音：指由舌尖抵住或接近硬颚前部阻碍气流而形成的音,Palato-alveolar(齿龈硬颚音)：/t/d/,Sideviewforthearticulationof/t/d/,/t/:Video1Video2,/d/:Video1Video2,plosivesandaffricates(practice),Actoutthefollowingdialogueswithyourpartner.jacketandjeansJason:Cherry!Wheresmyjacket?Cherry:Dontshout,Jason.Youlikethrowingclotheseverywhere.Whichjacketareyoulookingfor?Jason:TheonegoeswellwithmynewbluejeansIbought.Cherry:Itsonthearmchairinthelivingroom.Jason:Thanks,Cherry.,plosivesandaffricates(practice),CharlesandJasminearegoingtohaveaquicklunch.Thefollowingisalistofthingsonthemenu.vegetablesalad/fruitsalad/tomatosandwich（番茄三明治）/hamburger/chocolatecheesecake（巧克力芝士蛋糕）/applepie（苹果馅饼）/peachbutterpancake（桃子酱煎饼）/Frenchfries（炸薯条）/fishandchips(炸鱼加炸薯条)/friedchickendrumstick(炸鸡腿)/mushroomsoup/Russianbroth（罗宋汤，BorschtSoup）/beer/coke/sprite（雪碧）/orangejuice/Liptontea（立顿茶）/vanillaicecream（香草冰淇淋）/coffee(espresso浓缩咖啡andcappuccino奶沫咖啡),
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