单词	ecological footprint
释义	ecological footprintˌecological ˈfootprint noun [countable] the amount of land needed by a person, group of people, or a society in order for them to have enough food or resources to live and continue to exist
随便看	Augustine, St auk Auld Lang Syne au naturel Aung San Suu Kyi aunt Auntie auntie Aunt Jemima au pair aura aural aurally Aurangzeb aureole au revoir Aurora aurora borealis Auschwitz auspices auspicious auspiciously Aussie Austen, Jane austere

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