commencement

英 [kəˈmensmənt]

美 [kəˈmensmənt]

n. 开始; 开端; 学位授予典礼; 毕业典礼

BNC.12251 / COCA.13566

牛津词典

noun

开始；开端
beginning
1. the commencement of the financial year
  财政年度的开始
学位授予典礼；毕业典礼
a ceremony at which students receive their academic degrees or diplomas

N-UNCOUNT 开始
Thecommencementof something is its beginning.
1. All applicants should be at least 16 years of age at the commencement of this course.
  申请修读这门课程者至少要年满16岁。
学位授予仪式;(大学或高中的)毕业典礼
Commencementis a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas.

in BRIT, use 英国英语用 graduation

noun

the act of starting something
1. he was responsible for the beginning of negotiations
Synonym:beginningstart
an academic exercise in which diplomas are conferred
Synonym:commencement exercisecommencement ceremonygraduationgraduation exercise
the time at which something is supposed to begin
1. they got an early start
2. she knew from the get-go that he was the man for her
Synonym:beginningfirstoutsetget-gostartkickoffstarting timeshowtimeoffset

Written documentation evidencing this certification must be on file with owner prior to commencement of work.
必须在开始工作前，将证明该认证的书面文件提交给业主。
So I listened to lots of commencement speeches online.
所以，我开始在网上听大量的演讲来汲取灵感。
Period of insurance and the commencement of the insurance liability;
保险期间和保险责任开始时间；
He was invited to speak at the commencement.
他受邀在毕业典礼上讲话。
I became sick of commencement speeches at about your age.
在和你们差不多大的时候，我开始厌倦毕业典礼上的演讲。
Would passengers please put out cigarettes before the commencement of the flight.
请乘客们在飞机起飞前熄灭香烟。
I am absolutely delighted and honored to be here with all of you for this commencement.
我非常高兴，非常荣幸能在这里和大家一起参加这个毕业典礼。
With the commencement of our school, I started my study in grade three.
开学了，我从三年级开始读。
Entry form will be destroyed before the commencement of next Music Festival.
报名表将于来届音乐节开始前销毁。
E.g.He made a speech at the commencement.
他在毕业典礼上做了一次演讲。