名詞 m:

1. the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
   同義詞：meter, metre
2. concentration measured by the number of moles of solute per liter of solution
   同義詞：molarity, molar concentration
3. the cardinal number that is the product of 10 and 100
   同義詞：thousand, one thousand, 1000, K, chiliad, G, grand, thou, yard
4. the 13th letter of the Roman alphabet
   同義詞：letter m

形容詞 m:

1. denoting a quantity consisting of 1,000 items or units
   同義詞：thousand, one thousand, 1000, k

1. In English, b, p, m and w are bilabials.
   英語中的b、p、m、w為雙唇音。

m 或 M

n.（名詞）
【復(fù)數(shù)】 m`s 或 M`s
The 3th letter of the modern English alphabet.
M字母：英語字母表中的第3個字母
Any of the speech sounds represented by the letterm.
M的讀音：任一個由字母m 所表示的讀音
The 3th in a series.
序列中的第十三

m
m 2
abbr.（略語）
Also M Printing Em.
也作 M 【印刷術(shù)】 Em.
Physics Mass.
【物理學(xué)】 Mass.
Meter [measurement]
Meter[度量單位]
Also M Physics Modulus.
也作 M 【物理學(xué)】 Modulus.