The wheels of the first road vehicles were fashioned from crude stone disks.
A、hand-carvedB
暂无解析
Withtheacquisitionofsmallercompaniesbylargerones,the1960'ssawawaveofnewconglomerates.
Cometsarestillregardedwithawebysomepeople.
Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.
Amythical(imaginary)creature,thedragonwasbelievedtohavelion'sclaws,scalyskin,andfierybreath.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.