摘要：41.Canned food(原音频)42. Earth and Mars(近似原文)43. Biology application(原音频)44.Recycling water(原音频)45.Human rights in UK(原音频)46. Credit card47.Crops(原音频)48 阅读全文

摘要：the Romans on top of all 159 Economic inequality/经济不平衡 gardeners should champion those that do live here, because they're insectivorous. support 是在精神上 阅读全文