WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.
Thefirstpaperwasmadefromthebarkofthemulberrytree.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Inliterature,caricatures讽刺画usuallycontainverbalexaggerationthroughwhichthewriterachievescomicandoftensatiric讽刺effects.
Blue-greenalgaegrowabundantlyinsaltmarshes.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent