n. 开始; 毕业典礼
The commencement of something is its beginning.
All applicants should be at least 16 years of age at the commencement of this course.
Commencement is a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas.
1. the time at which something is supposed to begin;
2. an academic exercise in which diplomas are conferred
3. the act of starting something;
A deep voice announced the commencement of the wedding rites, and the music began.
Evacuation of all personnel from the three tunnels was required before the commencement the blasting operation.
A risk assessment should be conducted before the commencement of the blasting operation.
This contract is effective from the date of commencement of service.
The time between the commencement of an operation and its completion.