Some children display an unquenchable 难以抑制的 curiosity about every new thing they encounter.
A
暂无解析
The first important exposition in the United States was held in Philadelphia in 1876.
TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.
The controls of most modern airplanes can be operated either manually or automatically.
With the acquisition of smaller companies by larger ones, the 1960's saw a wave of new conglomerates.
Amythical(imaginary)creature,thedragonwasbelievedtohavelion'sclaws,scalyskin,andfierybreath.