知识扩展
习语积累
习语 n. go walkabout 1 (informal) 迷路；丢失 to be lost or not where you should be My rucksack seems to have gone walkabout. 我的旅行包好像是丢了。 2 （澳大利亚土著远离白人社会到乡间）进行丛林漫游 (of an Australian Aboriginal) to go into the country away from white society in order to live in the traditional manner
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