look up... in 和 put out是什么意思

功放机后面PREAMP OUT PUT和POWERAMP IN PUT是什么意思 put out ,bring up ,come up ,put up 都是什么意思 put up ,put out put up, put down, put out, put off, put on, put away 分别是什么意思 look up和look out的区别 put up 和set up\put on\work out区别 put out,put away,put up,put put out,put up,put off,put down四个词分别是什么意思 FIND OUT 和LOOK UP的区别 put in/on/down/up分别是什么意思? They put up tent by the fire..这里为什么用put up?不能用put out和put on 用put up一般将来时,put off和put out的过去式,即put up with的现在完成时造句