em plural noun
1 the 13th letter of the English alphabet 英语字母表的第十三个字母 C,U
3
M6/M25 etc
the name of a MOTORWAY in Britain 6号/25 号等高速公路〔英国高速公路的名字〕
4
metre
the written abbreviation of 书面缩写= metreor metres
5
mile
the written abbreviation of 书面缩写= mileor miles
6
million
the written abbreviation of 书面缩写= million
7
male
the written abbreviation of 书面缩写= male
8
married
the written abbreviation of 书面缩写= married
9
medium
the written abbreviation of 书面缩写= medium, used on clothes to mean an average size〔衣服尺码〕中号