screw-lines

英 [sk'ruːl'aɪnz] 美 [sk'ruːl'aɪnz]

• n. 螺旋线

例句

用作名词 (n.)

1. Something,such as the thread of a screw or the spiral condenser in a still,that resembles a worm in form or appearance.
   有螺纹状的物品某物，如螺旋线或蒸馏器的螺旋冷凝器，在构成或外表上像蠕虫。