易混淆的单词： Quills

The fact is that porcupines do not shoot quills .

事实是豪猪不要开枪磨盘.

I also brought you paper and quills .

我也带给带了纸和鹅毛笔。

Quills are modified hairs , they are not very sharp and do not have barbs .

背刺是变种习毛发，不是很尖锐而且不会倒勾。

Some quills will likely break off .

磨盘一些可能会中断.

Blood or no blood , the quills must be pulled .

血或无血,磨盘必须撤离.