/ae/ apple athlete actor adult
/e/ elephant
/au/ outlet outline
/i/ eraser inch
/ai/ eye
/ae/ /e/ /au/ /i/ /ai/ 含这些音标的单数名词 并且前面能加an 的 .急.
/ae/ apple athlete actor adult
/e/ elephant
/au/ outlet outline
/i/ eraser inch
/ai/ eye