20个元音音标分别是哪些?
问题描述：
20个元音音标分别是哪些?
要音标
答
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:...