单词	nanogram
释义	nan·o·gram (nănə-grăm′) n. Abbr. ng One billionth (10-9) of a gram.
随便看	aught augite augment augmentable augmentation augmentative augmented augmenter au gratin Augsburg augur augural augury august August August August Augusta Augusta Ada King, Countess of Lovelace. Augustan Auguste Auguste August Friedrich Leopold Augustine Augustine

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