a measure of a student's academic achievement at a college or university; calculated by dividing the total number of grade points received by the total number attempted
例句
用作名词 (n.)
They never branch out into tempting new areas, because they don't want to risk their grade-point average. 他们从不扩大兴趣范围，涉足诱人的新领域，因为他们不想拿自己的平均积分点去冒险。
美
