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	excellence Excellency excellent excellently except excepted excepting exception exceptional exceptionally excerpt excess excessive excessively exchange exchangeable Exchange and Mart exchange rate exchange rate mechanism exchange student Exchequer excise excision excitability excitable

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