他原本反对这个计划，但在听完大家的意见后来了个180度大转弯。

He was against the plan at first, but after hearing everyone's opinions, he did a ___one-eighty and fully supported it.

这位滑冰选手在空中完成了一个完美的360度旋转。

The figure skater executed a perfect ___three-sixty in mid-air.