The frequency with which certain simple motifs appear in these oldest sites has led rock-art researchers to adopt a descriptive term—the Panaramitee style—a label which takes its name from the extensive rock pavements at Panaramitee North indesert South Australia, which are covered with motifs pecked into the surface.(TPO23, 51)

　　motif /məʊ'tiːf/ n. 装饰的图案或式样;(音乐的)乐旨,(文学的)主题.

　　term n. 术语

　　peck /pek/ v. <鸟>以喙啄

　　大家自己先读，不回读，看一遍是否能理解

　　The frequency (with which certain simple motifs appear in these oldest sites) has led rock-art researchers to adopt a descriptive term—the Panaramitee style—alabel (which takes its name from the extensive rock pavements at Panaramitee North in desertSouth Australia),(which are covered with motifs pecked into the surface.) (TPO23, 51)

　　托福阅读长难句100句分析：

　　这个句子的主干：The frequency has led rock-art researchers to adopt a descriptive term

　　注意这里的lead...to短语

　　修饰一：(with which certain simple motifs appear in these oldest sites) ，从句，修饰the frequency

　　中文：一些简单图案出现在这些最古老遗址上

　　修饰二：(which takes its name from the extensive rock pavements at Panaramitee North in desert South Australia) ，从句修饰a label，注意这个从句里面还有两个介词短语：

　　which takes its name (from the extensive rock pavements)(at Panaramitee North in desert South Australia)

　　(from the extensive rock pavements) ，来自宽广的岩石路面

　　(at Panaramitee North in desert South Australia)，在澳大利亚南部沙漠Panaramitee North

　　中文：取名于在澳大利亚南部沙漠Panaramitee North宽广的岩石路面

　　修饰三：(which are covered with motifs pecked into the surface.) ，从句，修饰rock pavements，注意这个从句里面还有个非谓语动词：

　　which are covered with motifs (pecked into the surface.)

　　(pecked into the surface.)，刻进路面

　　中文：这些路面被刻进表面的图案所覆盖

　　托福阅读长难句100句参考翻译：

　　一些简单图案出现在这些最古老遗址上的频率使得岩石艺术研究人员采用了一个描述性的术语——Panaramitee风格——这个称号取名于在澳大利亚南部沙漠Panaramitee North宽广的岩石路面，这些路面被刻进表面的图案所覆盖。

　　这个句子的主要修饰成分就是非谓语动词、从句和介词短语，大家务必想清楚，每一个修饰成分修饰的是什么，才能看清楚这个句子的结构。