ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.

WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.

In literature, caricatures讽刺画 usually contain verbal exaggeration through which the writer achieves comic and often satiric 讽刺effects.

Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.

TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.