out是输出还是输入

out是输出。作副词时意为“出现；向外；在室外；出狱；遥远地；出海；退潮”。作介词时意为“从……里面出去，离开”。作形容词时意为“熄灭的；盛开的；面市的；出局的；不能被接受的”。
资料拓展
1、All their wet clothes were pegged out on the line.
他们的湿衣服都夹在外面的绳子上了。
2、The rain was still coming down in buckets when we went back out.
我们回去时，外面的倾盆大雨仍然下个不停。
3、Now she won"t have to go out to work any more.
现在她不必再出去工作了。
4、We had a day out in the country.
我们在乡下玩了一天。
5、Someone might find out, and that would never do.
也许有人会发现，那是绝对不行的。