vt.缩写；缩短；使简略
In writing, the title `Doctor' is abbreviated to `Dr'. 在书写时，Doctor头衔的缩写是Dr.
The teacher asked me to abbreviate my report to one page . 老师让我把报告缩短为一页。
The United States of america is commonly abbreviated to U.S.a.. 美利坚合众国常被缩略为 U.
