With lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野
A、understandingA
暂无解析
EllaGrasso,electedgovernorofConnecticutin1974,supportedtheenactment(given,granted)ofafreedom-of-informationlaw.
Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.