只用听写英文单词 不用写中文意思 每个单词结束换行写第二个单词 加油!
GRE节目单已成功上架= =b 欢迎大家订阅~\(≧▽≦)/~
underplay underrate underscore understate understated understatement understudy underutilized underwrite undeserved undesirable undirected unearth unearthly unenlightened unexceptionable unfailing unfasten unfeigned unflappable unfold unfounded ungainly ungrudging unguent unicorn unidimensional unification uniform unify