approachs手段approachv.靠近；接近；接洽；要求；达到；动手处理n.途径；方法；接近；接洽；要求；路径；进场着陆；相似的事物approach navigation进场导航,进港导航approach of old age进入老年approach motivation接近动机approach embankment引道路堤approaching channel引槽approach pop issues探讨热点approach transition方法转型approach indication接近表示approach profession贴近专业approach visibility倾斜能见度,进场视界