复数：N's
1.[c][u]英语字母表的第 14 个字母the 14th letter of the English alphabet
2.[u]（表示不定数）used to represent a number whose value is not mentioned
1.北方（的）；北部（的）north; northern
1.【化】同“nitrogen”
2.90
3.同“North(ern)”
4.(=nuclear)核的
5.英语字母表第十四字母
6.【印】对开
7.N 形物
8.【数】任意数,不定数,不定量
9.【遗】单位(染色体)数
1.the 14th letter of the English alphabet. N is a consonant.
1.[Chemistry]Same as nitrogen
2.Same as North(ern)
3.(=nuclear)
NNN