amnion 英 ['æmnɪən] 美 ['æmnɪən] 基本解释 n.(胎儿的)羊膜,胞衣 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