词汇	signs of senility
释义	signs of senility 老征
随便看	DirectSVM direct switching in direct stress direct-stress direct stresses direct stress fatigue machine direct stress injury direct stress machine direct-stress machine direct stress-measurement method direct-stretching film direct strike direct striking direct striking thunder direct stroke direct stroke lighting direct stroke lightning direct stroke protection Direct stroke thunder Direct struck thunder direct structural path direct style direct subdivision direct subject direct subject of international law