托福閱讀長難句100句：生物群落共生現(xiàn)象

　　It is significant that the earliest living things that built communities on these islands are examples of symbiosis, a phenomenon that depends up on the close cooperation of two or more forms of life and a principle that is very importantin island communities. (TPO9, 43)

　　community n. 社區(qū)，團(tuán)體，社會，(動植物的)群落

　　symbiosis /s?mba?'os?s/ n. 共生。

　　It is significant that the earliest living things (that built communities on these islands) are examples of symbiosis, a phenomenon (that depends upon the close cooperation of two or more forms of life) and a principle (that is very important in island communities). (TPO9, 43)

　　托福閱讀長難句100句分析：

　　修飾一：(that built communities on theseislands)，從句，修飾living things

　　中文：在這些島上建立生物群落

　　修飾二：(a phenomenon and a principle)，同位語，修飾symbiosis，注意這里的a phenomenon和a principle被從句隔開了，注意這里的斷句

　　修飾三：(that depends upon the close cooperation of two or more forms of life) ，從句，修飾a phenomenon

　　中文：依賴兩種或兩種以上的生物緊密合作

　　修飾四：(that is very important in island communities)從句，修飾aprinciple

　　中文：在島上生物群落非常重要

　　托福閱讀長難句100句參考翻譯：

　　在這些島上建立生物群落的最早的生物以共生方式存在是非常重要的，共生是一種依賴兩種或兩種以上的生物緊密合作而生存的現(xiàn)象，也是在島上生物群落非常重要的原則。

　　這個句子的主要修飾成分就是從句和同位語，大家務(wù)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(gòu)。