字母元音20个竟有哪些

单元音： [e] yes yellow bed [ae] cat bad dad [a:] are car far [כ] pot got dog [כ:] call tall or [۸] cut nut but [3:]curtain further fur [ə]mother color cooler [i] ink big pig [i:] jeep tea eat [u] good book look [u:] cool zoo tool 双元音： [ei] age eight make [ai] ice bike nice [כi]toy oil boy [əu] old joke gold [au] cloud mouth cow [εə] air fair chair [iə] ear near year [uə] cure dure pure