board是什么意思,board什么意思英语

给collegeboard打电话 这个号码怎么拨打 对手机号有什么要求吗!
p-board infrared interactive whiteboard
70*100mm high quality alibaba china coated duplex board grey
swiftkey keyboard (https://play.google.com/store/apps/details?
xcode -(oc版)storyboard教程 1.5:segues的介绍