arc 英 [ɑːk] 美 [ɑrk] 基本解释 n.弧,弓形,拱;Advanced RISC Computer,高级精简指令集计算机 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