what is that knife on the shelf in the kitchen made of?

what is that knife on the shelf in the kitchen made of?
what is that knife on the shelf in the kitchen made of?

what is that knife on the shelf in the kitchen made of?
那把放在橱柜上的刀是由什么制成的?

厨房里架子上的那把刀是用什么做的？

放在厨房间厨里的那把刀是什么做的?