We needed it, for the last leg was the toughest of all: the Nullarbor Plain, which stretches across the south of the country.
我们需要这么做,因为我们最后一段路程是最艰难的,那就是绵延在澳大利亚南部的纳拉伯平原。
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Google also stretches across the web like a giant spider, with a leg in everything from online search and E-mail to social networking and web-based software applications, or apps.