gradating
1. The act of gradating or arranging in grades.
分等,分级按等级排列或安排的行为
2. equalizing gradating valve
均衡递动阀
3. Without OPT, you can not stay in U.S. legally, after gradating from school.
还有 我现在读石油工程 想转去读那些学校可以吗/?