abbreviationKK [əˏbriviˋeʃən] /əˌbɹiviˈeɪʃən/发音名词1缩写、简称、缩写字The abbreviation for kilometer is written as a lowercase km.公里的缩写写成小写的 km。2省略、简略正式Abbreviation of long technical terms makes the report easier to read.将冗长的专业术语加以省略,能让报告更容易阅读。用这个字练口说→