英语重读怎么样判断哪个音标该重读?是在元音前重读?还是~

元音字母在重读音节中的读音 e 在开音节中 [i:] he these me Chinese 在闭音节中 [e] bed let pen desk yes egg i 在开音节中 [ai] bike fly drive time nice kite 在闭音节中 [i] fish big drink sit milk swim 元音字母在非重读音节中的读音 元音字母 读 音 例 词 a [E] China another woman breakfast [i] orange comrade village cabbage e [E] hundred student open weekend [i] chicken pocket begin children i [E]/[i] holiday beautiful family animal 元音字组在重读音节中的读音 元音字组 读 音 例 词 [i:] teach easy cheap please [e] heavy bread sweater weather [ei] break great ear [iE] hear dear near clear year [εE] bear pear wear [E:] earth learn early ee [i:] jeep week green three eer [iE] pioneer deer beer ei/ey [ei] eight neighbour they [i:] either key