n.刮東西時發(fā)出的刺耳聲
adj.刮到的
動詞scratch的現(xiàn)在分詞.
The dog is scratching at the door. 狗正在抓門。
We've been scratching our heads for a solution to the problem. 我們一直苦苦思索,想找到解決這一問題的方法。
Stop scratching (yourself). 別再搔癢了。
Scratching the rash will make it worse. 丘疹越撓越壞。