DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
A、eagerIncalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.
Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
TheeconomyofDallas,Texas,isstronganddiversified.
Someseaurchins海胆havevenomous(toxin)spines