Formerly,intheUnitedStates,manynursesworkedasprivatedutynursesratherthaninhospitals.
A、PreviouslyThe first paper was made from the bark of the mulberry tree.
Communication is one of the most important bonds that hold cultural systems together.
TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.
Alligators still exist in some of the dank 潮湿 swamps and bayous小海湾 of Alabama's coastal regions.
Formerly , in the United States, many nurses worked as private duty nurses rather than in hospitals.