n. a vowel whose quality or length is changed to indicate linguistic distinctions (such as sing sang sung song)
常见例句
1
a degree of ablaut n
2
n a body of students who are taught together n a relative position or degree of value in a graded group n the gradient of a slope or road or other surface n one-hundredth of a right angle n a degree of ablaut n a number or letter indicating quality (especially of a student's performance) n the height of the ground on which something stands n a position on a scale of intensity or amount or quality n a variety of cattle produced by crossbreeding with a superior breed v assign a rank or rating to v level to the right gradient v assign a grade or rank to, according to one's evaluation v determine the grade of or assign a grade to
