音标发音 1 元音: 1) i: 字母组合:ee ea e ie three tree green sheep meet beef see seek eat tea meat leave lead teacher team mean speak clean please he she me piece receive ceiling 2) i 发音字母 i y e sit picture it is list six mix fix fit pig big build miss myth many twenty happy dictionary defect decide delicious 3) 发音字母 a bag hand and ant happy hat map mad bad black back glad flag shall man 4) e 字母组合 ea e a head bread pleasure elephant electric remember sell shell lesso