Insectpestsareamongtheleadingcausesofcropfailure.
A、expectedWithlasersscientistscanprobemanyphysicalprocesses,suchascombustion,oncebeyondourken.视野
EllaGrasso,electedgovernorofConnecticutin1974,supportedtheenactment(given,granted)ofafreedom-of-informationlaw.
Anoversight遗漏(miss,overslaugh)inproofreadingoftenresultsinprintederrors.
Blue－greenalgaegrowabundantlyinsaltmarshes.
Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
