Vowel-1.Long Vowel【i:】

发音 舌尖抵下齿, 牙齿几乎闭合 嘴唇向两旁伸开, 成扁平行, 做微笑 单词 be he me pea sea tea fee feel free see street sweet three sleep keep please meat meal achieve believe relief agree degree screen machine magazine police receive conceive perceive 句子 I feel free. He loves tea. The meal is free. There are three trees. We eat sweet ice cream. 同音 [i:] tea tee sea see pea pee heal heel meat meet scene seen steal steel weak week suite sweet peace piece 辨音 [i:] [i] eat it feel fill seat sit heat hit bean bin deed did steal still seek sick cheap chip [i:] [e] feel fell seal sell beat bet meet met mean men steep step wheel well cheek check sweet sweat