Formulatedin1823,theMonroeDoctrineassertedthattheAmericaswerenolongeropentoEuropeancolonization.
A、emphaticallystatedFoodmustbemoistinordertohaveataste.
Anoversight遗漏(miss,overslaugh)inproofreadingoftenresultsinprintederrors.
DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
Insectpestsareamongtheleadingcausesofcropfailure.
Withlasersscientistscanprobemanyphysicalprocesses,suchascombustion,oncebeyondourken.视野
