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~\(≧▽≦)/~
oscillate osmosis osseous ossify ostensible ostentation ostracism ostracize ostrich other-directed otter oust outgoing outgrowth outlandish outlet outline outmaneuver outmoded outrage outset outshine outskirts outspoken outstrip outwit ovation overbearing overdose overdue