stretch up伸展stretchv.伸展；延伸；张开；夸大n.伸展；张开；弹性；一段时间；<俚>刑期adj.可伸缩的stretch an elastic band拉橡皮筋stretch forming machine拉伸成形机stretch crystallization拉伸结晶stretched-wire method张线法Stretched-grid method展宽网格方法stretch one's authoritystretch-breaking wool牵切毛条stretch-reducing mill张力减径机stretch the imagination想像得过分stretch- flanging die拉伸翻边模