详细解释:【计】 输入输出
英语解释：
名词 io:
(Greek mythology) a maiden seduced by Zeus; when Hera was about to discover them together Zeus turned her into a white heiferthe closest of Jupiter's moons; has active volcanoes例句：
At once he slew him and set Io free.他立刻杀死了阿尔戈斯，放掉了伊俄。