n.楼梯每一级的前缘,保护此处的金属板;机头;
例句:
He was nosing into things that didn't concern him.
他太热衷于管与他不相关的事.
She is always nosing into other's business.
她老是爱打听别人的事情.
The dog kept nosing about the room this morning.
这狗今天在屋里不断地闻来闻去.