graduation

1. N-UNCOUNT Graduation is the successful completion of a course of study at a university, college, or school, for which you receive a degree or diploma. 毕业

They asked what his plans were after graduation. 他们问他毕业后有何打算。

2. N-COUNT A graduation is a special ceremony at a university, college, or school, at which degrees and diplomas are given to students who have successfully completed their studies. 毕业典礼

...the graduation ceremony at Yale. …耶鲁大学的毕业典礼。