基本解释胃鼻的（nasogastric的缩写）, 毫微克（nanogram的缩写）。同根派生 ng相关词英英字典剑桥英英字典 written abbreviation for nasogastric (= relating to the area from the nose to the stomach) written abbreviation for nanogram (= 0.000,000,001 of a gram)ng剑桥字典ng柯林斯字典