他在厨房里削土豆皮准备晚餐。

He is ___peeling potatoes in the kitchen for dinner.

她把苹果削下来的薄皮放进堆肥桶里。

She put the apple ___peelings into the compost bin.

她在削苹果时小心翼翼地削去薄薄的果皮。

She was carefully ___peeling the thin skin off the apple.