abd 英 [ˌeɪ biː ˈdiː] 美 [ˌeɪ biː ˈdiː] 基本解释 n.准博士 同首字母单词 a [ə; eɪ] aaal aachen aacs aah [ɑː] aal aapamoor ['ɑːpəmʊə(r)] aapss aar aardvark [ˈɑːdvɑːk] aardwolf ['ɑːdwʊlf] aare