托福閱讀長難句100句:白堊紀滅絕事件

　　Dinosaurs rapidly became extinct about 65 million years ago as part of a mass extinction known as the K-T event, because it is associated with a geological signature known as the K-T boundary, usually a thin band of sedimentation found in various parts of the world. (K is the traditional abbreviation for the Cretaceous, derived from the German name Kreideieit). ( TPO42, 60)

　　abbreviation /?'briv?'e??n/ n. 簡略，縮短

　　derive /d?'ra?v/ v. 獲得，得到;源自，源于

　　大家自己先讀，不回讀，看一遍是否能理解

　　Dinosaurs rapidly became extinct about 65 million years ago (as part of a mass extinction) (known as the K-T event),(because it is associated with a geological signature) (known as the K-T boundary), (usually a thin band of sedimentation found in various parts of the world). (K is the traditional abbreviation for the Cretaceous, (derived from the German nameKreideieit)).( TPO42, 60)

　　托福閱讀長難句100句分析：

　　這個句子的主干就是：

　　Dinosaurs rapidly became extinct about 65 million years ago

　　修飾一：(as part of a mass extinction) ，介詞短語

　　中文：成為大滅絕事件的一部分

　　修飾二：(known as the K-T event) ，非謂語動詞

　　中文：稱之為K-T事件

　　修飾三：(because it is associated with a geological signature) ，從句

　　中文：因為它與地質(zhì)學上的標簽有聯(lián)系

　　修飾四：(known as the K-T boundary) ，非謂語動詞

　　中文：稱為之K-T邊緣

　　修飾五：(usually a thin band of sedimentation found in various parts of the world) ，同位語

　　中文：K-T邊界通常是一塊在世界各地都能找到的薄薄的沉積帶

　　修飾六：(derived from the German name Kreideieit)，非謂語動詞

　　中文：源自德國名字kreidezeit

　　托福閱讀長難句100句參考翻譯：

　　大約在6500萬年前，恐龍迅速地滅絕，成為K-T大規(guī)模滅絕事件的一部分，被稱作K-T是因為它與地質(zhì)學上的標簽K-T邊界有關，K-T邊界通常是一塊在世界各地都能找到的薄薄的沉積帶。(K在慣例上是白堊紀Cretaceous的縮寫，源自德國名字kreidezeit)

　　這個句子的主要修飾成分就是從句、非謂語動詞和同位語，大家務必想清楚，每一個修飾成分修飾的是什么，才能看清楚這個句子的結(jié)構。