columnedadj.圆柱状的；立有圆柱的columnn.栏；专栏；列；圆柱；柱；柱形物columna thoracica胸核column-supported柱支承columnea magnifica鲸鱼花column format item列格式项Column - removed抽柱column designation栏设计columnar aggragate柱状团聚体column constraints列约束column degradation列退化column selectivity色谱柱选择性

1. This machine is called Scissor Jack.
   这种机器叫剪式千斤顶。