单词	自然对象
释义	自然对象natural object
随便看	pentadactylate pentadactyle pentadactylic pentadactylism pentadactylisms pentadactyl limbs pentadactylous pentadactyly pentad axis pentad criterion pentadecagon pentadecanal pentadecanal oxime pentadecane pentadecanediacid pentadecanedioic acid pentadecanedioic acid-- pentadecanediacid pentadecanedioic acid; pentadecanediacid pentadecanoic acid pentadecanoic acid--isocetic acid pentadecanol pentadecanol-- pentadecyl alcohol pentadecanol; pentadecyl alcohol pentadecanoyl pentadecapeptide