Unit4
1.merely adv. ---- only, just只是,仅仅,不过
That was merely a guess of mine. 那只是我的一种猜测。
I merely looked at the chocolate; I did not eat it.
我只不过看了看巧克力,我没有吃。
He merely wants to know the truth.
not only(merely/ just)… but also
2. classify: arrange in classes or groups vt. 将...分类;将...分等级
be classified into 分类，分级
be sorted into
比较：sort –arrange things according to size, rank, type etc将。。。分类，整理