rotoscope
n. 逐格帖合的重覆动画动作;速动观察器;气速管
例句
The other method involved the actor using an unlit blade throughout, and the rotoscope artist would draw the growing blade.
另一个方法是演员自始自终都用不发光的剑刃,转描机动画家会画上发光的剑刃。