基波成像是指
A、以低频发射的波D
暂无解析
PartIVTranslation
Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)
PartIVTranslation
Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)
Idon’tlike_____billsbutwhenIdogetthemIlike_____thempromptly.
翻译：
Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)
InwhatwaydoesLauraLenox-Conynghammakeherliving?
