单词	nanogram
释义	nan·o·gram (nănə-grăm′) n. Abbr. ng One billionth (10-9) of a gram.
随便看	paramedical parament parameter parameterization parameterize parametric parametrical parametrically parametric equalizer parametrize paramilitary paramnesia paramo paramorph paramorphic paramorphine paramorphism paramorphous paramount paramountcy paramountly paramour paramylon paramylum paramyxovirus

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