PhonologyLesson 20Post-Alveolar Fricatives[tr] [dr]齿龈后部破擦音Instructor ：Rhapsodia晚枫Part I Do you know??齿龈后部破擦音 /tr/和/dr/属于一对清浊辅音；?中文普通话中不存在 /tr/音，但这两个音均须 “翘舌”?词尾辅音连缀：1） ⋯ 2）⋯ 3）辅音 /f, t, d, l, n, ?/ + / θ /?失去爆破和不完全爆破的五种情况9 个摩擦音：/ f v s z ? ?θ eh /齿龈后部破擦音：/tr dr /Part II 齿龈后部破擦音[tr] [dr]II-a 发音要领?发音时把嘴拢圆，嘴唇突出，像准备发中文的“出”，舌尖与上齿龈后部相抵，出气时，舌尖离开上颚，然后突然张嘴，唇放松；?/tr/清辅音，声带不振动；类似汉语拼音“chi”?/dr/ 浊辅音，有声带振动；类似汉语拼音“zhi”II-b 容易犯的错/tr/ 发成“出”，或发成 “吃”/t?/，甚至发成中文的qi，如 tree 发成“气”。[tr] 必须翘舌，口型做 “出”的准备，类似 --- ch – u – a。发[dr]音时振动不够，或没翘舌，发成zua。掌握[dr]的声带振动比汉语更强烈的特点，平舌翘舌要分开。Lesson 20 Post-Alveolar Fricatives [tr] [dr]齿龈后部破擦音 [tr] 例词train [ tre?n] 火车strange [s tre?nd?] 奇怪tree [ tri:] 树stretch [s tret?] 伸展trip [tr?p] 旅行street [s tri:t] 道路try [tra?] 尝试strong [s tr??] 强壮Lesson 20 Post-Alveolar Fricatives [tr] [dr]齿龈后部破擦音 [dr] 例词draw [ dr?:] 画drink [ dri?k] 喝dress [ dres] 连衣裙drive [ draiv] 驾驶children ['t ??ldr?n] 孩子们drop [ dr?p] 放下，掉bedroom ['be dru:m] 卧室dry [drai] 干的dream [ dri:m] 梦Lesson 20 Post-Alveolar Fricatives [tr] [dr]齿龈后部破擦音 [tr][dr] 的词组和短语?drop off 让⋯下车?tree trunk 树干?drink and drive 酒驾?train track 铁轨?Trick or treat! 不招待就使坏！?dreams come true 梦想成真?dress up 打扮Lesson 20 Post-Alveolar Fricatives [tr] [dr]齿龈后部破擦音 [tr] [dr] 的句子1. Every tree in the street has a history. 这条街上的每棵树都有历史。2. This tripod is a treasure Trish cherishes. 这个三脚架是翠西珍藏的宝贝。3. Try to ignore strangers no matter what treats they give you.无论陌生人...
