Goose的甄选文章

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英语美文:A Sense of a Goose

英语美文:A Sense of a Goose

03-22
Whenyouseegeeseflyingalongin"V"formation,youmightconsiderwhatsciencehasdiscoveredastowhytheyflythatway.Aseachbirdflapsitswings,itcreatesanupliftforthebirdimmediatelyfollowing.Byflyingin"V"formation,th...