ots 基本解释 Officers' Training School(美国空军)军官训练学校 同首字母单词 o [əʊ] oa [,əʊ 'eɪ] oaa oaec oaf [əʊf] oafish [ˈəʊfɪʃ] oahu oak [əʊk] oaken ['əʊkən] oakland [ˈəʊklənd] oaklet ['əʊklɪt] oakley [ˈəʊkli]