n.
【计算机】“或”(一种逻辑运算符号,相当于句子连词“或”)
OR2
abbr.
operating room 手术室
operational research 运筹学
operations research [美国英语]运筹学
Oregon (美国)俄勒冈州
other ranks (英国)军士与士兵
owner's risk【保险业】货主负责
or1
[ɔ:; ə]
conj.
[用以连接供选择的可能性]或,或者:
Which one would you prefer, tea or coffee