knife 的复数形式怎么写
knife复数形式是 knives，因为以fe结尾的名词变复数时先把fe 改为v 再加es，即knives。意思是n.刀
The only sound is that of knives and forks scraping against china
只听见刀叉摩擦瓷器的`刺耳声。
Two knife racks hold her favourite knives.
两个刀架上存放着她最心爱的刀具。
Put the knives in the kitchen drawer
把这些刀具放到厨房抽屉里。
Bread knives should have a serrated edge.
面包刀的刀刃应该有波浪齿。
We threw knives at targets.
我们往靶子上掷飞刀。