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词汇课从字母O开始

总共有47个词汇课,它们都是从字母O开始的。你可以选择一个字母去学习与这个字母相关的所有词汇课,你也可以点击一个单词去学习这个词汇课。

     A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   Y&Z   


Object (n)(v)Objective (n)(adj)Obligation (n)Obtain (v)
Obvious (adj)Obviously (adv)Occasion (n)Occasionally (adv)
Occur (v)Odd (adj)Offer (v)(n)Office (n)
Officer (n)Official (adj)(n)Often (adv)Oil (n)
OK (adj,adv)Old (adj)Once (adv)Only (adv)(adj)
Open (v)(adj)Opening (n)(adj)Operate (v)Operation (n)
Opinion (n)Opportunity (n)Opposite (adj)(n)Option (n)
Orange (n)(adj)Order (n)(v)Ordinary (adj)Organization (n)
Organize (v)Organized (adj)Original (adj)Originally (adv)
Other (adj)Otherwise (adv)Out (adv)Outcome (n)
Outside (adv)(adj)Oven (n)Overall (adj)Overcome (v)
Owe (v)Own (adj)(v)Owner (n)


     A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   Y&Z