whenadv.什么时候；当 ... 时conj.然后；可是；当 ... 时pron.什么时候n.时间When trifled away.就是虚度光阴。When the drag is over拖动结束when all comes to alladv.通盘考虑后When do you need?三缘空心钻头When Directed Proceed接指示后When i need ur cuddle当我需要拥抱的时候When I hit the ground当我击中地面When is this due?n.三道纹王森莺When you have time.你方便有时间的时候.When I close the book当我合上我的书