问以元音音素开头单词

以元音音素开头的单词有:hour, apple, uncle, aunt, orange, ant, our, is, it, us, egg, eye, arm, ear, eraser, are, umbrella, ice, eight, elephant, or, about, away, unlike, unhappy, important, am, exercise, eighteen, eighty, eighth, interesting, easy, eager, eat, expensive, at, in, on, east等