stand for stand by都有支持的意思,他们的区别是什么,

stand for stand by都有支持的意思,他们的区别是什么, stand by for redirection stand by,stand up for,stand for 的区别. stand by Stand By stand by stand by 英语stand up ,stand up for ,stand out ,stand for各是什么意思有什么区别 stand for stand by = get ready for? The letters PRC (stand by/stand for/ stand out/stand up) the people's Repulic of China请选, stand stand stand stand! stand stand stand