a brute of a
a brute of a
brute-force attack是什么意思
a copy of a
a form of a part of a kind of a group of a piece of
A set of ,a group of ,a serious of 后
a piece of a bar of a carton of a cup of a tin of a loaf of
a variety of 与 a lot of
a piece of summer.a piece of
a troop of ,a troupe of 区别
a range of和a series of
a series of a serious of 区别
a range of,a variety of区别