翻译：1.fresh air,blue sky and white clouds and small rivers everywhere.come

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• 翻译：1.fresh air,blue sky and white clouds and small rivers everywhere.come
• Fresh air,blue sky and white clouds and small rivers everywhere.Come and enjoy this grassland
• 英语翻译A ROSE IS PINKWhat is pink?A rose is pinkBy the fountain’s brink.What is blue?The sky is blueWhere the clouds float through.What is white?A swan is white,Salling in the light.What is yellow?Pears are yellow,Rich,ripe and mellow.What is green?The grass is green,With small flowers between.What is orange?Why,an orange,Just an orange.
• 翻译：1.fresh air,blue sky and white clouds and small rivers everywhere.come
• Fresh air,blue sky and white clouds and small rivers everywhere.Come and enjoy this grassland
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• 等差数列｛an｝的前3项和为s3＝15,若a1+1,a2+1,a3+4成等比数列,求通项公式an