第一

first; firstly; foremost; primarily; primary; initial; opening; premier; first and foremost; first of all; first up; for a start; in the first place; most importantly; in the first instance; top; number one

计算机

computer; machine; computing machine; computing machinery; computing; computational; cyber-

缩写

abbreviate; shorten; abridge; abbreviation; acronym; initialism; contraction; abbr