Before they were replaced by steamships, sailing vessels like the Cutty Sark were used to carry tea from China and wool from Australia. The Cutty Sark was one of the fastest sailing ships that has ever been built. The only other ship to match her was the Thermopylae.

　　4. Before they were replaced by steamships, sailing vessels like the Cutty Sark were used to carry tea from China and wool from Australia.

　　在蒸汽船取代帆船之前。“卡蒂萨克”号之类的帆船被用来从中国运回茶叶，从澳大利亚运回羊毛。

　　语言点:句子结构分析:before引导时间状语从句。And连接两个并列的宾语“来自中国的茶叶”和“来自澳大利亚的羊毛”。

　　5. The Cutty Sark was one of the fastest sailing ships that has ever been built.

　　“卡蒂萨克”号是帆船制造史上建造的最快的一艘帆船。

　　语言点:句子结构分析:that引导定语从句，修饰the fastest sailing ships,即“…样的帆船”。

　　6. The only other ship to match her was the Thermopylae.

　　唯一可以与之一比高低的是“塞姆皮雷”号帆船。

　　语言点:句子结构分析:主语ship前有三个修饰词，它们的排列顺序符合多个修饰词修饰同一名词的规律。