"Backpackers are generally very social and willing to give advice to fellow backpackers they meet on the road," 背包客一般都很友好,愿意向路上遇到的同行者提供建議。不過,獨自外出旅行也會有危險。就在幾天前,"A 19-year-old British backpacker missing in Australia for 12 days was found alive," 英國一個19歲的背包客在澳大利亞失蹤12天后終于被找到了。好的,今天我們學(xué)習(xí)的詞是backpacker...