a pair of 与 a piece of 的区别
a pair of 与 a piece of 的区别
a pair of和a piece of的区别
a pair of与pair的区别
a couple of ,a piece of ,a pair of ,a bit of 的区别
a pair of和 a piece of有什么区别
a couple of与a pair of的区别
a set of与a pair of用法的区别
a new piece of equipment 与a piece of new equipment的区别
a pair of 和 a piece of的区别.用法.初中英语还有没有类似于这样的词求详解.
a pair of 和 a piece of的区别.用法.初中英语还有没有类似于这样的词 求详解.
a pair of.a piece of是什么意思,有什么区别啊?
a set of,a piece of,a pair of的复数分别是什么