Twist and squirm the body, often from pain or distress

• Contort oneself with intense emotion, discomfort, or effort

因疼痛或不适而扭动身体

• 激烈地扭曲身体或翻滚

Twist or contort something out of shape

• Wrench or wring an object

把某物扭曲变形

• 用力拧转某物

A twisting or contorted movement

• A state or pose of contortion

扭曲或扭动的动作

• 扭曲的姿势或状态

In knot theory, the algebraic sum of crossing signs

• Number of positive crossings minus negative crossings in a diagram

结理论中交叉符号的代数和

• 图中正交叉数减去负交叉数