ahead 英 [ə'hed] 美 [ə'hɛd] 基本解释 adj.adv.在前,向前,提前,在前面 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